Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6138485 | Safety lock | Fritz Helmut Fuss | 2000-10-31 |
| 6125670 | Self-locking lock | Fritz Helmut Fuss | 2000-10-03 |
| 5511839 | Door opener with a lockable, pivotable latch | Fritz H. Fuss, John S. Rutherford | 1996-04-30 |