Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 6635703 | Very high solids adhesive | Daniel Charles Purvis, II, John P. Jones | 2003-10-21 | |
| 4213856 | Method and apparatus for classifying solids and transporting solids-laden fluid | Larry V. Blake, Donald E. Womeldorph, Jr., Oliver M. Surber | 1980-07-22 | $4,802,000 |