Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7946559 | Cable drive assembly | — | 2011-05-24 |
| 6834745 | Anchoring device | — | 2004-12-28 |
| 5934437 | Support and hoist systems | Andrew Philip Anson | 1999-08-10 |
| 5931446 | Pole jack apparatus | — | 1999-08-03 |
| 5775461 | Link ladder system | — | 1998-07-07 |
| 5297651 | Safety load transfer device and system | — | 1994-03-29 |
| 4749060 | Modular stage platform | — | 1988-06-07 |
| 4513952 | Drive mechanism for cable drums | — | 1985-04-30 |