Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9571908 | Extendable synchronous low power telemetry system for distributed sensors | Mark S. Langelier | 2017-02-14 |
| 9174713 | Unmanned underwater vehicle | Erik F. Item, Mark S. Langelier, Curtis B. Carlsten | 2015-11-03 |
| 5257917 | Peristaltic pump having means for reducing flow pulsation | James E. Beck | 1993-11-02 |
| 4829283 | Supervision arrangement for smoke detectors | Kim J. Spang, William MacPherson | 1989-05-09 |