Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4832522 | Adapter extension for plungers and the like | Dale F. Thayer, Robert L. Dickherber | 1989-05-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4832522 | Adapter extension for plungers and the like | Dale F. Thayer, Robert L. Dickherber | 1989-05-23 |