Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 11147996 | Transportable fire training apparatus and method | David Harding, Reed Rieske, Gary Hartman Kilgore, Raleigh Bunch, Charles Tandy +3 more | 2021-10-19 | |
| 5783155 | Sheet flow fluid sampling apparatus | Leland S. Greenler, Grant R. Emmel, Farshid Feyzi | 1998-07-21 | |
| D313834 | Sprinkler for fighting petroleum fires and the like | Jack E. Propp | 1991-01-15 | |
| D313459 | Sprinkler for fighting fires in oil refineries and the like | Jack E. Propp | 1991-01-01 | |
| 4836291 | Portable sprinkler and process for fighting fires in oil refineries and the like | Jack E. Propp | 1989-06-06 | $5,472,000 |