Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5013252 | Electrified wall panel system | James H. Nienhuis, Jeffrey L. Clark, Michael L. De Pree | 1991-05-07 |
| 4471685 | System with sequenced activators | — | 1984-09-18 |
| 4437387 | Integral actuator and sequencing valve | — | 1984-03-20 |