Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881025 | Frequency dependent identification of materials | — | 1989-11-14 |
| 4800256 | Halographic scanner having adjustable sampling rate | Eric C. Broockman, Robert Thomas Cato, George J. Laurer | 1989-01-24 |