Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4816682 | Detection of nuclear radiation | Henry B. Dyer | 1989-03-28 |
| 4280625 | Shade determination | Jacobus H. Grobbelaar, Richard N. Colson, Samuel Chatterley | 1981-07-28 |
| 4186838 | Measurement of optical properties | Samuel Chatterley | 1980-02-05 |