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Inventor: Pastrnak; John W.
Address: Livermore, CA
No. of patents: 4
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 7905168 |
Portable convertible blast effects shield |
March 15, 2011 |
| A rapidly deployable portable convertible blast effects shield/ballistic shield includes a set two or more frusto-conically-tapered telescoping rings operably connected to each other to convert between a telescopically-collapsed configuration for storage and transport, and a telescop |
| 7819049 |
Portable convertible blast effects shield |
October 26, 2010 |
| A rapidly deployable portable convertible blast effects shield/ballistic shield includes a set two or more telescoping cylindrical rings operably connected to each other to convert between a telescopically-collapsed configuration for storage and transport, and a telescopically-extended |
| 7219588 |
Portable convertible blast effects shield |
May 22, 2007 |
| A rapidly deployable portable convertible blast effects shield/ballistic shield includes a set two or more telescoping cylindrical rings operably connected to each other to convert between a telescopically-collapsed configuration for storage and transport, and a telescopically-extended |
| 5372391 |
Internal pipe attachment mechanism |
December 13, 1994 |
| An attachment mechanism for repairing or extending fluid carrying pipes, casings, conduits, etc. utilizing one-way motion of spring tempered fingers to provide a mechanical connection between the attachment mechanism and the pipe. The spring tempered fingers flex to permit insertion |
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