Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12012009 | Autonomous charging systems for battery powered transport refrigeration units | Raymond Shea, Jr., Frank Bongiorno, III | 2024-06-18 |
| 9415660 | Backup power generator for battery powered transport refrigeration units | — | 2016-08-16 |
| 8935933 | Battery operated transfer refrigeration unit | — | 2015-01-20 |
| 8347999 | Power generating unit for a vehicle and method therefor | Robert Koelsch, Mark Stoneman, Stanford Stoneman | 2013-01-08 |
| 6249117 | Device for monitoring and calibrating oxide charge measurement equipment and method therefor | Robert Koelsch | 2001-06-19 |
| 5187552 | Shielded field-effect transistor devices | Thomas E. Hendrickson | 1993-02-16 |
| 4735914 | FET for high reverse bias voltage and geometrical design for low on resistance | Thomas E. Hendrickson | 1988-04-05 |
| 4235011 | Semiconductor apparatus | Douglas Butler, Thomas E. Hendrickson | 1980-11-25 |