Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6187182 | Filter cartridge assembly for a gas purging system | Gary M. Gallagher, John Burns, Mark V. Smith | 2001-02-13 |
| 5121993 | Triaxial thermopile array geo-heat-flow sensor | Charles R. Carrigan, Harry C. Hardee, Terry D. Steinfort | 1992-06-16 |