Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5323570 | Door opening cable system with cable slack take-up | Howard W. Kuhlman | 1994-06-28 |
| 5316365 | Sliding door closed loop cable closure system with balanced cable tension and varying diameter pulleys | Howard W. Kuhlman | 1994-05-31 |
| 4806712 | Electrical switch for door latch | Marcos Hoffman, Jiri Paulik | 1989-02-21 |