Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4316450 | Process and apparatus for the utilization of solar and geothermal energy in double wall structures | Istvan Turi, Ferenc Zatyko, Janos Gyuros, Laszlo Borsody | 1982-02-23 |