Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5931877 | Advanced maintenance system for aircraft and military weapons | Colin A. Smith, Robert C. Rassa | 1999-08-03 |
| 5010890 | Vital signs monitoring system | Robert L. Pfohl | 1991-04-30 |
| 4763663 | Esophageal stethoscope and vital signs monitor system | Robert L. Pfohl | 1988-08-16 |
| 4619268 | Esophageal stethoscope and vital signs monitor system | Robert L. Pfohl | 1986-10-28 |