Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4770420 | Vehicle mounting system for impact absorption apparatus | William H. Gottwald, Thomas Bitzer | 1988-09-13 |
| 4658941 | Vehicle mounting system for impact absorption apparatus | William H. Gottwald, Thomas Bitzer | 1987-04-21 |