Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8333420 | Sling seat | Robert Alan Mehl, Andrew William Walker, Norman Raul Shimizu, Jorge Cuervo, Michael Carr Duncan | 2012-12-18 |
| 7934775 | Restraint in vest | Andrew William Walker, Ron Grilliot | 2011-05-03 |