Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5207282 | Method for inhibiting the initiation and propagation of formation fractures while drilling and casing a well | Giin-Fa Fuh, Nobuo Morita, Donald L. Whitfill | 1993-05-04 |
| 5180020 | Method for inhibiting the initiation and propagation of formation fractures while drilling | Giin-Fa Fuh, Nobuo Morita, Donald L. Whitfill | 1993-01-19 |
| 4740632 | Process for removing methanol from alkylation unit feed stream | Ardis L. Anderson | 1988-04-26 |