Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10940777 | Seat systems for emergency vehicles | Pieter J. van Zyl, Joe Brey, Ryan Downing, Doug Hahn, Jesse C. Boyarski +2 more | 2021-03-09 |
| D504784 | Vehicle seat | Douglas C. Hahn | 2005-05-10 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10940777 | Seat systems for emergency vehicles | Pieter J. van Zyl, Joe Brey, Ryan Downing, Doug Hahn, Jesse C. Boyarski +2 more | 2021-03-09 |
| D504784 | Vehicle seat | Douglas C. Hahn | 2005-05-10 |