Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4280625 | Shade determination | Jacobus H. Grobbelaar, Charlie M. Levitt, Samuel Chatterley | 1981-07-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4280625 | Shade determination | Jacobus H. Grobbelaar, Charlie M. Levitt, Samuel Chatterley | 1981-07-28 |