Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7152891 | Field-reversible locking mechanism | Gerard G. Adelmeyer | 2006-12-26 |
| 6860529 | Push button with latch kick-off | Gerald Chong | 2005-03-01 |
| 6128933 | Adjustable interconnected lock | David Mirshafiee | 2000-10-10 |
| 6058746 | Adjustable interconnected lock | David Mirshafiee | 2000-05-09 |
| 5611613 | Remotely operated door lock light | George E. Maffey | 1997-03-18 |
| 5597227 | Illuminated door lock | George E. Maffey | 1997-01-28 |
| 5513509 | Key for use with 5-pin and 6-pin door locks | — | 1996-05-07 |
| 5364139 | Door latch assembly | Thomas J. Ghostley | 1994-11-15 |
| 5335950 | Door lockset with spindle bearing | David Mirshafiee | 1994-08-09 |
| 4725085 | Single and double latch operating devices with improved rack-pinion operation and motion transfer | Thomas Sheng-Shyong Hu | 1988-02-16 |
| 4516798 | Latch bolt operating assembly having bolt operating improvements | — | 1985-05-14 |
| 4427224 | Latch bolt assembly with selectively adjustable spindle backset | — | 1984-01-24 |