Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5368103 | Method of setting a balanced cement plug in a borehole | James F. Heathman, Robert B. Carpenter, Anthony M. Badalamenti, Kenneth P. Marcel, Robert R. Siffert | 1994-11-29 |