Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4484949 | Cement compositions | William D. Potter, Andrew C. Barclay, Richard J. Parry | 1984-11-27 |
| 4438212 | Fluorine-free calcium-aluminosilicate glasses | William D. Potter, Andrew C. Barclay, Richard J. Parry | 1984-03-20 |