Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5562314 | Door latch assembly with backset adjustment | Graham Wheatland | 1996-10-08 |
| 5364138 | Door latch assembly with backset adjustment | Graham Wheatland | 1994-11-15 |
| 4974884 | Selective self-locking deadbolt latch | — | 1990-12-04 |
| 4921290 | Backset adjustable door latch | — | 1990-05-01 |
| 4893854 | Self-adjusting door strike | — | 1990-01-16 |
| 4892341 | Self-adjusting door strike | — | 1990-01-09 |
| 4813724 | Self-adjusting door strike | — | 1989-03-21 |
| 4333324 | Spring/dead bolt lock assembly | William J. Fane | 1982-06-08 |
| 4255953 | Combination spring/dead bolt lock | William J. Fane | 1981-03-17 |
| 4254648 | Inner locking cylinder with captive key | — | 1981-03-10 |