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Louis N. Graves Co., Inc. Patents |
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Assignee: Louis N. Graves Co., Inc.
Address: Anoka, MN
No. of patents: 2
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 4272925 |
Sharpening apparatus |
June 16, 1981 |
| A sharpening apparatus includes a base and a pair of thin elongated cylindrical sharpening rods of the type that can be made of a ceramic material which is loaded with a strong abrasive. The rods are storable in a compartment provided by the base in side-by-side relationship and in s |
| 4197677 |
Blade sharpener |
April 15, 1980 |
| A blade sharpener includes a thin cylindrical sharpening rod made of a ceramic material which is loaded with a strong abrasive. This rod is equipped at each end with a conical guide-guard. Means is provided to position the rod with one hand so that the other hand can be used to draw | |
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