Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5195804 | Back-rest having two oval shaped shells each concave to vertical and convex to horizontal | Herbert D. Stolle | 1993-03-23 |
| 4190289 | Net headrest | Herbert D. Stolle | 1980-02-26 |