Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4290417 | Solar heat system using gravitational circulation of heated transfer medium | Walter T. Peters | 1981-09-22 |
| 4274396 | Structural solar energy collector | Walter T. Peters | 1981-06-23 |
| 4248643 | Solar energy conversion panel | — | 1981-02-03 |
| 4238337 | Methane gas producer using biological decomposition of waste matter | Walter T. Peters | 1980-12-09 |