Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8555470 | Magnetic carabiner system | Joseph Spataro, Ben Walker | 2013-10-15 |
| 8001663 | Safety carabiner | Ben Walker, David Mellon, Jeremy Saxton, Brendan Perkins | 2011-08-23 |
| 7533469 | Competition/leashless ice axe with adjustable grip | Joseph Skrivan, David S. Sanders | 2009-05-19 |
| 7347403 | Ice screw having breakaway or flexing crank handle | Charles Brainerd | 2008-03-25 |
| 5425176 | Handle for ice axe | Charles Brainerd, John Bercaw | 1995-06-20 |