Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4497031 | Direct digital control apparatus for automated monitoring and control of building systems | Paul H. Froehling, Lawrence J. Strojny, James M. Rehberger | 1985-01-29 |
| 4261509 | Pneumatic switch control for pneumatic actuator in air conditioning control systems | Dennis E. Miller | 1981-04-14 |