Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12313506 | Leak detection for air operated double diaphragm pump | Edward Kupp | 2025-05-27 |
| 11905944 | Flap valve for diaphragm pump | Brent Michael Morris, Jim Rockwell, John Wawrowski | 2024-02-20 |
| 8055077 | R/T display compression preserving intensity information | Jeff Mucha | 2011-11-08 |
| 7516028 | User-placed marks in a long record length waveform | Keith D. Rule, Lance H. Forsberg, Steven C. Herring, Kenneth P. Dobyns, Scott R. Ketterer | 2009-04-07 |
| 7227549 | Indicating and manipulating a zoom region of a waveform | Robert D. Twete, Michael J. Wadzita | 2007-06-05 |
| 5219317 | Aquatic exercise device | — | 1993-06-15 |
| 5096189 | Aquatic exercise device | — | 1992-03-17 |
| 5090692 | Aquatic exercise device | — | 1992-02-25 |
| 4509744 | Aquatic exercise device with rigid fluid resistance member | — | 1985-04-09 |