Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5578222 | Reclamation of abrasive grain | Ronald W. Trischuk, Ajay Garg | 1996-11-26 |
| 5035724 | Sol-gel alumina shaped bodies | Vimal K. Pukari, Norman I. Paille, Jr., Thomas THIBAUDEAU | 1991-07-30 |
| 4668645 | Sintered low density gas and oil well proppants from a low cost unblended clay material of selected composition | — | 1987-05-26 |
| 4657754 | Aluminum oxide powders and process | Ralph Bauer, Ronald W. Trischuk, Joseph Similia | 1987-04-14 |
| 4639427 | Stress-corrosion resistant proppant for oil and gas wells | — | 1987-01-27 |