Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4701611 | Reflectivity compensated fiber optic sensor | — | 1987-10-20 |
| 4694160 | Fiber optic extender apparatus in a position servo loop | Leo Hoogenboom | 1987-09-15 |
| 4674882 | Precision optical displacement measuring instrument using servo controlled fiber optic sensor | Richard A. Dorman, Leo Hoogenboom, Gregory Hull-Allen, Samuel Fallek | 1987-06-23 |
| 4488813 | Reflectivity compensating system for fiber optic sensor employing dual probes at a fixed gap differential | Richard A. Dorman | 1984-12-18 |
| 4254331 | Calibration circuit for fiber optic proximity instrument | Richard A. Dorman | 1981-03-03 |
| 4247764 | Fiber optic proximity instrument having automatic surface reflectivity compensation | — | 1981-01-27 |