Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9161593 | Heel traction aid and method of manufacture therefor | Van B. Larson | 2015-10-20 |
| RE44193 | Replaceable spikes for anti-slip overshoe | Van B. Larson | 2013-05-07 |
| RE42965 | Anti-slip overshoe | Van B. Larson | 2011-11-29 |
| 7409782 | Anti-slip overshoe | Van B. Larson | 2008-08-12 |
| 6836977 | Anti-slip overshoe | Van B. Larson | 2005-01-04 |
| 6442763 | Insulating hood | Van B. Larson | 2002-09-03 |
| 4689899 | Layered inner sole | Van B. Larson | 1987-09-01 |