Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5004249 | Flat gasket and process for its production | Peter T. Grosch, Gerhard Haas | 1991-04-02 |
| 4993723 | Elbow gasket having middle and side support sealing beads | Michael M. SROKA, Peter T. Grosch | 1991-02-19 |
| 4880669 | Method of producing a flat gasket | Karsten Dorn, Peter T. Grosch | 1989-11-14 |