Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4850786 | Container handling apparatus | Norman D. Oswald, Carl M. Franklin, Harry S. Mankey | 1989-07-25 |
| 4792272 | Container handling apparatus | Norman D. Oswald, Carl M. Franklin, Harry S. Mankey | 1988-12-20 |
| 4600069 | Trailing arm suspension | Norman D. Oswald, Carl M. Franklin, Harry S. Mankey | 1986-07-15 |
| 4595069 | All terrain/high speed undercarriage | Norman D. Oswald, Carl M. Franklin, Harry S. Mankey | 1986-06-17 |
| 4454925 | Undercarriage for armored personnel carrier | Norman D. Oswald, Carl M. Franklin, Harry S. Mankey | 1984-06-19 |