Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5676106 | Injector system for an oil renewal system | John A. Hoffman | 1997-10-14 |
| 5609221 | Steering control system | John C. Endsley, William F. Guse, JR., Joseph Patrick Reilly | 1997-03-11 |