Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9244111 | Amperage/voltage loop calibrator with loop diagnostics | Ronald P. Clarridge | 2016-01-26 |
| 7248058 | Testing and calibration device with diagnostics | Ronald P. Clarridge | 2007-07-24 |