Issued Patents 1989
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872315 | Heat exchanger and systems and methods for using the same | — | 1989-10-10 |
| 4869070 | Method of and means for controlling the condition of air in an enclosure | — | 1989-09-26 |
| 4841740 | Method of and means for controlling the condition of air in an enclosure | — | 1989-06-27 |
| 4819447 | Method and means for controlling the condition of air in an enclosure | — | 1989-04-11 |
| 4803846 | Method of and means for controlling the condition of air in an enclosure | — | 1989-02-14 |
| 4801811 | Method of and means for generating electricity in an arid environment using elongated open or enclosed ducts | Lucien Y. Bronicki | 1989-01-31 |