Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871181 | Reinforced squeak free seal for exhaust couplings | Peter P. Usher, John Slonksnes | 1989-10-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871181 | Reinforced squeak free seal for exhaust couplings | Peter P. Usher, John Slonksnes | 1989-10-03 |