Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4443641 | Attrition resistant bismuth-containing metal/oxygen compositions | Samuel J. Tremont, Robert A. Keppel, George D. Davis | 1984-04-17 |
| 4443642 | Attrition resistant metal/oxygen compositions | Robert A. Keppel, Samuel J. Tremont, George D. Davis | 1984-04-17 |
| 4409127 | Attrition resistant metal/oxygen compositions and a process for their preparation | Robert A. Keppel, Samuel J. Tremont, George D. Davis | 1983-10-11 |
| 4409133 | Attrition resistant bismuth-containing metal/oxygen compositions and a process for their preparation | Samuel J. Tremont, Robert A. Keppel, George D. Davis | 1983-10-11 |