Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5789697 | Compact chemical energy system for seismic applications | Raymond P. Engelke, Robert O. Hedges, Alan B. Kammerman | 1998-08-04 |
| 5370055 | Three-phase hypervelocity projectile launcher | L. Erik Fugelso, Gerald C. Langner, Kerry L. Burns | 1994-12-06 |