Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5611227 | Handleset with thumb piece and rack | — | 1997-03-18 |
| 5513510 | Handleset with thumb piece and rack | David Mirshafiee | 1996-05-07 |
| 5335525 | Universal adaptor for deadbolt | — | 1994-08-09 |
| 5317889 | Front loaded cylinder for door lockset | Arnold C. Gater | 1994-06-07 |
| 5123683 | Handleset with adjustable latch retracting mechanism | — | 1992-06-23 |
| 5084940 | Adjustable handleset | James M. Loffler | 1992-02-04 |
| 4664433 | Latch helical backset adjustment | — | 1987-05-12 |
| 4338804 | Latch bolt operating device having improved shield construction to deter probe manipulation | — | 1982-07-13 |
| 4297862 | Lock mechanism with removable cylinder holder | — | 1981-11-03 |