Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6505799 | Ice screw with non-linear taper | Chris Harmston, William James Reimann, Paul A. Tusting, Tyler Warner | 2003-01-14 |
| 5782442 | Ice screw with foldable crank handle | Hong Kyu Kwak | 1998-07-21 |
| 5425176 | Handle for ice axe | Charles Brainerd, William R. Belcourt | 1995-06-20 |
| 5329675 | Carabiner with thumb grip | Andrew McLean, Charles Brainerd, Jonny Woodward | 1994-07-19 |
| D345688 | Carabiner | Andrew McLean, Charles Brainerd, Jonny Woodward | 1994-04-05 |