Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6230804 | Stress resistant cement compositions and methods for using same | Dan Mueller, Virgilio G. Boncan | 2001-05-15 |
| 5421409 | Slag-based well cementing compositions and methods | Dan Mueller | 1995-06-06 |