Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4651923 | Heat extractor | Philip Zacuto | 1987-03-24 |
| 4497439 | Heat extractor | Philip Zacuto | 1985-02-05 |
| 4340572 | Process for recovering heat from stack or flue gas | Philip Zacuto | 1982-07-20 |