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Inventor: Rozenwasser; David
Address: Savion, IL
No. of patents: 45
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| D406245 |
Jewelry chain |
March 2, 1999 |
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| D395022 |
Jewelry chain |
June 9, 1998 |
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| D394614 |
Jewelry chain |
May 26, 1998 |
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| D394224 |
Jewelry chain |
May 12, 1998 |
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| D389084 |
Jewelry chain |
January 13, 1998 |
|
| D385210 |
Jewelry chain |
October 21, 1997 |
|
| D383695 |
Jewelry chain |
September 16, 1997 |
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| D382830 |
Jewelry chain |
August 26, 1997 |
|
| D380404 |
Jewelry chain |
July 1, 1997 |
|
| D380169 |
Jewelry chain |
June 24, 1997 |
|
| D376333 |
Jewelry chain |
December 10, 1996 |
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| D376119 |
Jewelry chain |
December 3, 1996 |
|
| D375913 |
Jewelry chain |
November 26, 1996 |
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| D375465 |
Jewelry chain |
November 12, 1996 |
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| D373968 |
Jewelry chain |
September 24, 1996 |
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| D370426 |
Jewelry chain |
June 4, 1996 |
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| D370184 |
Jewelry chain |
May 28, 1996 |
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| D368049 |
Jewelry chain |
March 19, 1996 |
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| D368048 |
Jewelry chain |
March 19, 1996 |
|
| D359010 |
Faceted rope chain |
June 6, 1995 |
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| D347597 |
Ornamental chain |
June 7, 1994 |
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| D347401 |
Ornamental chain |
May 31, 1994 |
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| D346130 |
Ornamental chain |
April 19, 1994 |
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| D344688 |
Ornamental chain |
March 1, 1994 |
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| D344040 |
Ornamental chain |
February 8, 1994 |
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| D343589 |
Ornamental chain |
January 25, 1994 |
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| D343588 |
Ornamental chain |
January 25, 1994 |
|
| D343587 |
Ornamental chain |
January 25, 1994 |
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| D343371 |
Ornamental chain |
January 18, 1994 |
|
| D343138 |
Ornamental chain |
January 11, 1994 |
|
| D343137 |
Ornamental chain |
January 11, 1994 |
|
| D339546 |
Ornamental chain |
September 21, 1993 |
|
| D334152 |
Jewelry chain |
March 23, 1993 |
|
| D329205 |
Jewelry chain |
September 8, 1992 |
|
| 5737910 |
Diamond cut hollow jewelry chain |
April 14, 1998 |
| A method of imparting flat facets on hollow chain links intertwined to form a jewelry chain by tightly winding said jewelry chain about a drum of an ice lathe. Then freezing said drum and rotating it with said jewelry chain, next spraying water on said rotating chain in a controlled mann |
| 5660036 |
Jewelry rope chain |
August 26, 1997 |
| A jewelry rope chain formed of a number of links of wire of a cross sectional configuration. The links are intertwined to form an outer appearance of a double helix. A predetermined number of the links is required to form a full helix cycle. At least some of the overall geometric sha |
| 5605038 |
Diamond cut hollow jewelry chain |
February 25, 1997 |
| A method of imparting flat diamond cut facets on hollow coiled chain links intertwined to form a jewelry chain, each coiled link having X+Y turns, where X is an integer, preferably from 1-5, and Y is one or a fraction, preferably about 3/4, and where the coiled links have the coil axes |
| 5544477 |
Method of producing chain links for fine jewelry rope chains |
August 13, 1996 |
| A commercially viable process for producing chain links suitable for use in making fine jewelry rope chains, said chain links having gaps for intertwining one link within another, comprising the steps of providing a sheet of precious metal of an appropriate thickness determined by the |
| 5537812 |
Fine jewelry diamond cut chain and method of manufacture thereof |
July 23, 1996 |
| A fine jewelry hollow rope chain comprising a plurality of interfitting hollow wire links, each link defining a circumference, each link having a wire cross-section defining a hollow base portion of generally uniform wall thickness and at least one reinforcing rib portion joined on said |
| 5531065 |
Fine jewelry diamond cut rope chain and method of manufacture thereof |
July 2, 1996 |
| A fine jewelry diamond cut rope chain comprising a double helix rope chain made from tightly interfitting links of precious metal link wire, each link having a small gap formed therein so as to enable one of said links to pass through the gap of another link, said links being intertwined |
| 5412935 |
Fine jewelry chain, link therefor, and method of manufacture thereof |
May 9, 1995 |
| A link for a fine jewelry chain which includes a base defining an outward-facing surface, and a raised portion formed integrally with and extending longitudinally along the outward-facing surface of the base, wherein the raised portion has at least one diamond-cut high luster surface |
| 5361575 |
Fine jewelry rope chain |
November 8, 1994 |
| A jewelry rope chain having tightly interfitting links made of wire of a given cross-section, each link having a small gap formed therein, so as to enable one of said links to pass through the gap of a second link, said links being intertwined to fit tightly one against the other and for |
| 5303540 |
Fine jewelry diamond cut rope chain and method of manufacturing same |
April 19, 1994 |
| A fine jewelry diamond cut rope chain comprising a double helix rope chain made from tightly interfitting links of precious metal, each link having a small gap formed therein so as to enable one of said links to pass through the gap of a second link, said links being intertwined to fit t |
| 4996835 |
Fine jewelry rope chain |
March 5, 1991 |
| A jewelry rope chain having tightly interfitting links made of wire of a given cross-section, each link having a small gap formed therein slightly larger than the cross-section of said wire, so as to enable one of said links to pass through the gap of a second such link, said links being |
| 4934135 |
Fine jewelry rope chain |
June 19, 1990 |
| A rope chain made from precious metals, having tightly interfitting rings of a given cross-section diameter, each ring having a small gap slightly larger than its cross-section diameter to permit one ring to pass through the gap of a second ring, each of said rings having an inner diamet |
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