Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4802764 | Differential plane mirror interferometer having beamsplitter/beam folder assembly | Gary E. Sommargren | 1989-02-07 |
| 4802765 | Differential plane mirror having beamsplitter/beam folder assembly | Gary E. Sommargren | 1989-02-07 |