Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5143187 | Energy absorber for horizontal lifelines in fall arrest systems | Raymond H. McQuarrie | 1992-09-01 |
| 5141074 | Lineman's pole strap assembly | Donald R. Ford | 1992-08-25 |
| 4423796 | Ladder climber's safety device | Henry E. Skelton | 1984-01-03 |
| 4407391 | Pole climber's safety device | Peter R. Greenway, Henry C. George | 1983-10-04 |