Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5585799 | Microwave doppler radar system for detection and kinematic measurements of river ice | Michael G. Ferrick | 1996-12-17 |
| 4272655 | Compact telephone set employing slidable actuated supervision switches | George W. MacKenzie, Clifford W. Shackelton | 1981-06-09 |