Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5511510 | Resin coated fastener and apparatus and method for manufacture of same | Richard J. Duffy | 1996-04-30 |
| 5403624 | Method and apparatus for coating fasteners | Anthony DiMaio, Richard J. Duffy | 1995-04-04 |
| 5362327 | Apparatus for producing a coating on an internally threaded fastener | Richard J. Duffy | 1994-11-08 |
| 5356254 | High temperature self-locking threaded fastener | Anthony DiMaio, Richard J. Duffy, Mario Pollizzi | 1994-10-18 |
| 5306346 | Apparatus for coating fasteners | Anthony DiMaio, Richard J. Duffy | 1994-04-26 |
| 5169621 | Method for coating fasteners | Anthony DiMaio, Richard J. Duffy | 1992-12-08 |
| 5141771 | Method for producing coated fastener samples | Anthony DiMaio, Richard J. Duffy | 1992-08-25 |
| 5090355 | Apparatus and method for producing coated fastener samples | Anthony DiMaio, Richard J. Duffy | 1992-02-25 |
| 5078083 | Method and apparatus for coating fasteners | Anthony DiMaio, Richard J. Duffy | 1992-01-07 |
| 5025750 | Apparatus for coating fasteners | Richard J. Duffy | 1991-06-25 |
| 4888214 | Aparatus and method for coating fasteners | Richard J. Duffy, Anthony DiMaio | 1989-12-19 |
| 4865881 | Apparatus and process for making locking slide nuts | Richard J. Duffy | 1989-09-12 |
| 4842890 | Method for coating fasteners | Richard J. Duffy | 1989-06-27 |
| 4815414 | Powder spray apparatus | Richard J. Duffy | 1989-03-28 |