Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888029 | Desulfurization of carbonaceous materials | Richard H. Shiley, Randall E. Hughes, Conrad C. Hinckley, Gerald Smith, Tomasz Wiltowski | 1989-12-19 |
| 4882869 | Combination rifle rest and animal choke stick | — | 1989-11-28 |