Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5304620 | Method of crosslinking cellulose and guar derivatives for treating subterranean formations | Marlin D. Holtmyer, Charles V. Hunt, Mary A. H. Laramay, Murray G. Clark | 1994-04-19 |