Patents per Year
Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5469643 | Snowshoe | — | 1995-11-28 |
| 4703831 | Fire escape apparatus for use in multi-story buildings and method of escape | David H. Glabe, Michael K. Wegman | 1987-11-03 |
| D288772 | Rope belay fixture | — | 1987-03-17 |
| D286688 | Load-lowering device | — | 1986-11-11 |
| D286689 | Personal descent control fixture | — | 1986-11-11 |
| D285623 | Personnel evacuation body harness | — | 1986-09-16 |
| D284521 | T-fitting for a mountain climber's sling | — | 1986-07-08 |
| D284229 | Combined adjustable jam nut and web sling for climbers | — | 1986-06-17 |
| 4550801 | Personal high rise evacuation apparatus | — | 1985-11-05 |
| 4538704 | Multiple-person evacuation method and apparatus | — | 1985-09-03 |
| 4508193 | Friction-type descent control device | — | 1985-04-02 |
| 4446944 | Shock absorbing device and method | Frank R. Lupton | 1984-05-08 |