Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7467639 | Systems and methods for controlling gas flow | Derrick Douglas Little | 2008-12-23 |
| 4721250 | Method and apparatus for effecting control of atmospheric temperature and humidity | John D. Kennedy | 1988-01-26 |