Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5346230 | Seal for a reciprocating rod | Herbert Schumacher, Roland Ehmsen | 1994-09-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5346230 | Seal for a reciprocating rod | Herbert Schumacher, Roland Ehmsen | 1994-09-13 |