Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4541695 | Zoom lens for cameras | Ronald C. Wainwright, Nicholas M. Goy, John Douglas Anderson, Robert M. Pettigrew | 1985-09-17 |
| 4522482 | Information storage and retrieval | Robert M. Pettigrew, Alan M. Smith, John H. Fisher | 1985-06-11 |
| 4486870 | Optical data storage | Robert M. Pettigrew, Ronald C. Wainwright | 1984-12-04 |
| 4215480 | Distance measuring gauge | John H. Fisher, Peter J. Bassett | 1980-08-05 |