Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5726814 | Multiple field of view changing apparatus for an optical system | — | 1998-03-10 |
| 4494819 | Telescope objective system for the infrared range | — | 1985-01-22 |
| 4486069 | Afocal telescopes | Iain A. Neil, William McCreath | 1984-12-04 |