Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 8147566 | Fuel additive, additive-containing fuel compositions and method of manufacture | James A. Krogh, Clifford James Hazel, Ian Williamson | 2012-04-03 | |
| 5470823 | Stimulation of coalbed methane production | Dennis A. Williams, James R. Looney, Michael W. Conway | 1995-11-28 | $48,947,000 |
| 5391325 | Non-toxic biodegradable emulsion compositions for use in automatic car washes | William E. Welch | 1995-02-21 | $40,420,000 |