Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874245 | Optical shaft angular and torsional displacement and speed sensing system | Robert Rudd, Sylvester M. Ellinger, Douglas R. Patriquin, Bruce R. Kline | 1989-10-17 |
| 4863270 | Multi-mode optical fiber sensor and method | — | 1989-09-05 |
| 4863274 | Optical shaft torsional displacement and speed sensing system | Robert Rudd, Michael Ellinger, Douglas R. Patriquin, Bruce R. Kline | 1989-09-05 |
| 4840481 | Polarimetric optical frequency domain distributed strain sensor and method | — | 1989-06-20 |
| 4830449 | Polarimetric fiber optic speed sensor | — | 1989-05-16 |