Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6883317 | Adjustable turbocharger wastegate controller suitable for after-market installation | — | 2005-04-26 |
| 5975275 | Drop safe | Jasper Newton Keith, III, William L. Gunn, John F. G. Angove | 1999-11-02 |
| 5944163 | Drop safe | Jasper Newton Keith, III, William L. Gunn, John F. G. Angove | 1999-08-31 |
| 5695038 | Drop safe | Jasper Newton Keith, III, William L. Gunn, John F. G. Angove | 1997-12-09 |
| 5451757 | Apparatus and method for controlled access to a secured location | — | 1995-09-19 |
| 5321242 | Apparatus and method for controlled access to a secured location | — | 1994-06-14 |
| 5105964 | Beverage can cap | — | 1992-04-21 |
| 5040657 | Apparatus for coin sorting and counting | William L. Gunn, John C. Mantovani | 1991-08-20 |
| 4963118 | Method and apparatus for coin sorting and counting | William L. Gunn, John C. Mantovani | 1990-10-16 |
| 4898564 | Apparatus for coin sorting and counting | William L. Gunn, John C. Mantovani | 1990-02-06 |
| 4738274 | Cap for covering an open structure | — | 1988-04-19 |