Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6723375 | Portable locator including a ground marking arrangement | Joseph Zeck | 2004-04-20 |
| 5076058 | Heat transfer head for a Stirling cycle machine | Jack E. Noble, Gregory Alan Lehmann | 1991-12-31 |
| 4671064 | Heater head for stirling engine | Maurice A. White | 1987-06-09 |
| 4532766 | Stirling engine or heat pump having an improved seal | Maurice A. White, Peter Riggle | 1985-08-06 |