Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6134905 | Evaporative cooler pump apparatus | Harold O. Collins, James J. Hennessy | 2000-10-24 |
| 5527157 | Evaporative coller pump apparatus | Harold O. Collins, James J. Hennessy | 1996-06-18 |
| 5377502 | Ripening controlling chamber apparatus | Harold O. Collins, James J. Hennessy | 1995-01-03 |