Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5219146 | Gear operated squeeze off tool | — | 1993-06-15 |
| 4902174 | Main line tapping apparatus | Lawrence F. Thompson | 1990-02-20 |
| 4752073 | Lotto card reader | — | 1988-06-21 |
| 4556207 | Clamping apparatus for plastic pipe | Lawrence F. Thompson | 1985-12-03 |
| 4453399 | Leak detector | — | 1984-06-12 |
| 4445677 | Clamping apparatus for plastic pipe | Bent J. Hansen | 1984-05-01 |