Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D317398 | Rotary lock | Gilbert H. Krahn | 1991-06-11 |
| D316366 | Rotary lock | Gilbert H. Krahn | 1991-04-23 |
| D316365 | Rotary lock | Gilbert H. Krahn | 1991-04-23 |
| 4911489 | T-handle latch | Christopher C. Lee | 1990-03-27 |
| 4895332 | Anti-slip grab rail | Gilbert H. Krahn | 1990-01-23 |
| D293764 | Hinge | — | 1988-01-19 |
| 4420954 | Flush mountable door latch mechanism | Gabriel C. Hieronymi | 1983-12-20 |
| 4268077 | Self-storing door handle | Brian O. Bohleen | 1981-05-19 |