Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885471 | Ultraviolet radiometer | William B. Telfair, Clifford A. Martin, William C. Fricke | 1989-12-05 |
| 4818053 | Optical bench for a semiconductor laser and method | Robert J. Nielsen, John W. Stafford | 1989-04-04 |