Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861380 | Composition | Frederick Campbell, John M. Geary | 1989-08-29 |
| 4797440 | Dispersed particulate composition | Roger Parker Slater | 1989-01-10 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861380 | Composition | Frederick Campbell, John M. Geary | 1989-08-29 |
| 4797440 | Dispersed particulate composition | Roger Parker Slater | 1989-01-10 |