Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8584698 | Programmable device for compressor valve | Klaus Brun, Jerome A. Helffrich | 2013-11-19 |
| 4899760 | Noise rejecting detector for biomedical signals | Jonathan Paul Jaeb | 1990-02-13 |
| 4803996 | Cardiovascular monitor | H. Herbert Peel, William H. McGinnis, Donald J. Shirley, John P. Prudhomme | 1989-02-14 |
| 4784154 | Interference resistant biomedical transducer | Donald J. Shirley | 1988-11-15 |
| 4740757 | Method and apparatus for locating leaks in a multiple layer geomembrane liner | Thomas E. Owen | 1988-04-26 |
| 4725785 | Directional potential analyzer method and apparatus for detecting and locating leaks in geomembrane liners | Kathryn B. Glass, Thomas E. Owen | 1988-02-16 |
| 4719407 | Automated search apparatus for locating leaks in geomembrane liners | David W. Shultz | 1988-01-12 |
| 4390828 | Battery charger circuit | Glenn T. Darilek | 1983-06-28 |
| 4335345 | Current limiting circuit for switching regulator | — | 1982-06-15 |