Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5639103 | Flat gasket, in particular for an internal combustion engine and related manufacturing method | Daniel Montresor, Georges Ulmer | 1997-06-17 |
| 5618050 | Cylinder head gasket, in particular for an internal combustion engine and related manufacturing method | Georges Ulmer, Daniel Montresor | 1997-04-08 |