Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884450 | Sensor device | John C. Greenwood, Peter Graves | 1989-12-05 |
| 4668085 | Photo-elastic sensor | Gilles D. Pitt, Philip Extance, Roger E. Jones | 1987-05-26 |
| 4652097 | Glass article having renewable optical surfaces | Cyril F. Drake, Gilles D. Pitt, Alfred J. Arch | 1987-03-24 |
| 4637071 | Optical actuator | Gillies D. Pitt, David N. Batchelder, Roger E. Jones | 1987-01-13 |