Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5490157 | Method and apparatus for monitoring the power of a laser beam | Richard P. Hackel | 1996-02-06 |
| 5189485 | Wavelength meter having single mode fiber optics multiplexed inputs | Richard P. Hackel, Mark Feldman | 1993-02-23 |