Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4400000 | Head gasket assembly for diesel engines | — | 1983-08-23 |
| 4331336 | Head gaskets and method of making same | Daniel E. Czernik | 1982-05-25 |
| 4311318 | Head gasket assembly and method of making same | Daniel E. Czernik | 1982-01-19 |