Duffy; Richard J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Duffy; Richard J..The latest application filed is for "fluoropolymer coating compositions for threaded fasteners".
- Duffy; Richard J. - Shelby Township MI
- Duffy; Richard J. - Utica MI
- Duffy; Richard J. - Salem MA
Trademarks
| Patent | Date |
|---|---|
| Fluoropolymer coating compositions for threaded fasteners App 20070054052 - Alaimo; Gregory ; et al. | 2007-03-08 |
| Self-locking internally threaded fastener and method of manufacture Grant 6,454,504 - Duffy , et al. September 24, 2 | 2002-09-24 |
| Self-locking internally threaded fastener & method of manufacture App 20010046428 - Duffy, Richard J. ; et al. | 2001-11-29 |
| Self-locking internally threaded fastener and method of manufacture Grant 6,296,573 - Duffy , et al. October 2, 2 | 2001-10-02 |
| Process for triboelectric application of a fluoropolymer coating to a threaded fastener Grant 6,156,392 - Duffy , et al. December 5, 2 | 2000-12-05 |
| Resin coated fastener and apparatus and method for manufacture of same Grant 5,620,741 - Duffy , et al. April 15, 1 | 1997-04-15 |
| Coated threaded fasteners Grant 5,221,170 - Duffy , et al. June 22, 1 | 1993-06-22 |
| Method for producing coated fastener samples Grant 5,141,771 - DiMaio , et al. August 25, 1 | 1992-08-25 |
| Apparatus and method for producing coated fastener samples Grant 5,090,355 - DiMaio , et al. February 25, 1 | 1992-02-25 |
| Coated fasteners and process for making the same Grant RE33,766 - Duffy , et al. December 10, 1 | 1991-12-10 |
| Aparatus and method for coating fasteners Grant 4,888,214 - Duffy , et al. December 19, 1 | 1989-12-19 |
| Apparatus for making locking nuts Grant 4,100,882 - Duffy , et al. July 18, 1 | 1978-07-18 |
| Method of making self-locking threaded elements Grant RE28,812 - Duffy May 18, 1 | 1976-05-18 |
| Apparatus for manufacture of fasteners Grant 3,894,509 - Duffy , et al. July 15, 1 | 1975-07-15 |
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