Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9317147 | Input testing tool | Steven Andrew Welch, Takahiro Shigemitsu, Timothy Allen Wright, Steven E. Wittenberg | 2016-04-19 |
| 6193244 | Dual edge snowboard with straight edge portions | — | 2001-02-27 |
| 5871224 | Double-edged snowboard | — | 1999-02-16 |
| 5580078 | Double-edged snowboard | — | 1996-12-03 |