Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4856897 | Raman spectrometer having Hadamard electrooptical mask and diode detector | David C. Tilotta | 1989-08-15 |
| 4799795 | Stationary, electrically alterable, optical masking device and spectroscopic apparatus employing same | — | 1989-01-24 |