Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8371545 | Adjustable lamp | Roger A. Schaefer, Marcus H. Hess | 2013-02-12 |
| 4679435 | Gas content determination of evaporite formations using acoustic emissions during dissolution | Gerald L. Finfinger, Thomas Edward Marshall | 1987-07-14 |
| 4474409 | Method of enhancing the removal of methane gas and associated fluids from mine boreholes | Michael A. Trevits, Gerald L. Finfinger | 1984-10-02 |
| 4438473 | Power supply for an intrinsically safe circuit | James C. Cawley, Michael D. DiMartino, Thomas Fisher, Marcus H. Uhler | 1984-03-20 |