Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5010301 | Method for determining the swelling clay content of cement mixtures by dielectric measurements | Peter K. Leung, Ronald P. Steiger | 1991-04-23 |
| 4648456 | Method for acidizing siliceous formations | Walter J. Lamb | 1987-03-10 |