Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5605342 | Gaskets | Christopher R. Harland | 1997-02-25 |
| 4856796 | Cylinder-head gasket for internal-combustion engine | — | 1989-08-15 |
| 4468044 | Cylinder head gasket for internal combustion engine | Georges Ulmer | 1984-08-28 |
| 4462615 | Cylinder head gasket | Georges Ulmer | 1984-07-31 |