Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4919533 | Method for detecting diamonds in remote locations | Heather J. Bowley, Donald L. Gerrard | 1990-04-24 |
| 4693377 | Diamond separation using raman scattering | Donald L. Gerrard, Kenneth P. J. Williams | 1987-09-15 |