Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5844520 | Surveillance apparatus | John R. Guppy | 1998-12-01 |
| 5467121 | Method and apparatus for dot matrix writing using a continous wave laser | — | 1995-11-14 |
| 4817108 | Gas discharge structure for an R.F. excited gas laser | — | 1989-03-28 |