Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4243121 | Web ladder release mechanism | Alexander S. Kiss | 1981-01-06 |
| D254394 | Collapsed web ladder | Alexander S. Kiss | 1980-03-04 |
| 4189030 | Web ladder | Alexander S. Kiss | 1980-02-19 |