Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |