Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4704339 | Infra-red transparent optical components | Alan H. Lettington | 1987-11-03 |
| 4412903 | Coating infra red transparent semiconductor material | Alan H. Lettington | 1983-11-01 |
| 4400410 | Coating insulating materials by glow discharge | Alan H. Lettington | 1983-08-23 |
| 4394400 | Method and apparatus for depositing coatings in a glow discharge | Alan H. Lettington | 1983-07-19 |