Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5351906 | Safety anchorages for controlling pay-out of a safety line | — | 1994-10-04 |
| 5343975 | Personnel fall-arrest systems | David Riches | 1994-09-06 |
| 5287950 | Fall-arrest apparatus with constant winch braking | Gerald P. Murphy, Ian Hartley | 1994-02-22 |
| 5279385 | Fall-arrest apparatus | David Riches | 1994-01-18 |