Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9988887 | Metal bellows equalizer capacity monitoring system | Aron M. Meyer, David Tanner, Arturo Luis Poretti, Ryan P. Semple | 2018-06-05 |
| 9709043 | Crushed seal arrangement for motor electrical connection of submersible well pump | Jeffrey G. Frey, Michael R. Rumbaugh | 2017-07-18 |
| 4795892 | Pre-paid commodity system | Andrew H. Marrinson, William A. Jahnke | 1989-01-03 |