Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8157510 | Flexible impeller apparatus and method | Patrick A. Bear, Matthew A. Cottrell, Michael L. Linsdau | 2012-04-17 |
| 6126171 | Sealing cartridge | — | 2000-10-03 |
| 5775880 | Valve disabler for use in high pressure pipe cleaning systems | Edward P. Murphy | 1998-07-07 |