Bergstresser; William A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Bergstresser; William A..The latest application filed is for "self-tapping plunger rod for cartridge needle unit".
- Bergstresser; William A. - Prattsburgh NY
- Bergstresser; William A. - Prattsburg NY
| Patent | Date |
|---|---|
| Self-tapping plunger rod for cartridge needle unit Grant 5,730,729 - Bergstresser , et al. March 24, 1 | 1998-03-24 |
| Holder for cartridge-needle unit Grant 5,700,246 - Stiehl , et al. December 23, 1 | 1997-12-23 |
| Holder for cartridge-needle unit Grant 5,573,514 - Stiehl , et al. November 12, 1 | 1996-11-12 |
| Three-chambered bottle for chemicals for a photographic film processor Grant D368,855 - Triassi , et al. April 16, 1 | 1996-04-16 |
| Hypodermic syringe holder with disposable body Grant 5,496,286 - Stiehl , et al. March 5, 1 | 1996-03-05 |
| Combined pre-filled cartridge-needle unit and holder Grant D366,698 - Stiehl , et al. January 30, 1 | 1996-01-30 |
| Two-chambered bottle for chemicals for photographic film processor Grant D365,983 - Triassi , et al. January 9, 1 | 1996-01-09 |
| Collar and cartridge-needle unit assembly Grant 5,447,500 - Bergstresser , et al. September 5, 1 | 1995-09-05 |
| Snap together hypodermic syringe holder Grant 5,350,367 - Stiehl , et al. September 27, 1 | 1994-09-27 |
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