Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4632186 | Well cementing method using an AM/AMPS fluid loss additive blend | Virgilio G. Boncan | 1986-12-30 |
| 4482379 | Cold set cement composition and method | Benton L. Dibrell | 1984-11-13 |
| 4381034 | Zero free water cement composition and method | Rudolf Novotny | 1983-04-26 |
| 4332619 | Expansive admixture | Garry L. Briggs | 1982-06-01 |