Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4549477 | Ozone treatment system for food | — | 1985-10-29 |
| 4492083 | Geothermal salinity control system | Edward Zajac | 1985-01-08 |
| 4428200 | Geothermal plant fluid reinjection system | Edward Zajac, John L. Featherstone | 1984-01-31 |