Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5332041 | Set-activated cementitious compositions and methods | David D. Onan, Dralen T. Terry | 1994-07-26 |
| 5293938 | Well completion and remedial methods utilizing cement-ladened rubber | David D. Onan, Garland W. Davis, Roger S. Cromwell | 1994-03-15 |