Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4523664 | Safety descent device | James L. MacFarlane | 1985-06-18 |
| 4480716 | High rise escape device | James L. MacFarlane | 1984-11-06 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4523664 | Safety descent device | James L. MacFarlane | 1985-06-18 |
| 4480716 | High rise escape device | James L. MacFarlane | 1984-11-06 |