Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4837772 | Electrically self-oscillating, rf-excited gas laser | — | 1989-06-06 |
| 4805987 | Hollow lightpipe using a low refractive index inner layer | Katherine D. Laakmann | 1989-02-21 |
| 4805182 | RF-excited, all-metal gas laser | — | 1989-02-14 |