Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5868443 | Anti-rotation pipe joint | James M. Ungerman, John P. Ungerman | 1999-02-09 |
| 4195722 | Circuit for a power operated machine | Larry L. Anderson, Russell J. Van Rens | 1980-04-01 |