Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868651 | Digital radiography with image brightness and contrast normalization | Tzeyang J. Chou, Marshall Ma, Fred Elderbroom | 1989-09-19 |
| 4863265 | Apparatus and method for measuring blood constituents | Ronald J. Flower, Robert W. Olsen, Michael A. Van Ells | 1989-09-05 |