Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5152152 | Method of determining refrigerant charge | David A. Christiansen | 1992-10-06 |
| 4973219 | Grid rail container transport and storage system | Michael Chun, Richard C. Chou, Carl von Isenburg, Phillip Radzikowski | 1990-11-27 |
| 4885564 | Power line carrier communication system for monitoring refrigerated containers | Leonard C. Vercellotti, Arthur A. Anderson, David A. Christiansen, Dannis R. Johnson, Robert G. Colclaser III +1 more | 1989-12-05 |
| 4351230 | Self-venting cargo container | David N. Moutner, Barbara J. Pratt | 1982-09-28 |