Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5690319 | Pneumatic suspension system | Frank Robinson, James William Zehnder, II, William C. Kruckemeyer, Herbert S. Summers, Jay Michael Shores | 1997-11-25 |
| 5678810 | Pneumatic suspension system | Herbert S. Summers, Jay Michael Shores, Frank Robinson, William C. Kruckemeyer | 1997-10-21 |