Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4324838 | Dry powder compositions of vermiculite lamellae and additives | Denis G. H. Ballard, Richard M. Charnah, John F. Droughton | 1982-04-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4324838 | Dry powder compositions of vermiculite lamellae and additives | Denis G. H. Ballard, Richard M. Charnah, John F. Droughton | 1982-04-13 |