Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6369520 | Starter circuit for an ion engine | Gilbert I. Cardwell, Jr. | 2002-04-09 |
| 6369521 | Starter circuit for an ion engine | Gilbert I. Cardwell, Jr. | 2002-04-09 |
| 6304040 | Starter circuit for an ion engine | Gilbert I. Cardwell, Jr. | 2001-10-16 |
| 6181585 | Multiple output power supply circuit for an ion engine with shared upper inverter | Gilbert I. Cardwell, Jr. | 2001-01-30 |
| 6111358 | System and method for recovering power from a traveling wave tube | Gilbert I. Cardwell, Jr., John A. Collins, Jr., Xiaoling Zhai | 2000-08-29 |
| 5218522 | D.C. chopper regulating method and apparatus incorporating bilateral regulating voltage path | KHANH TUAN LE, Gilbert I. Cardwell, Jr. | 1993-06-08 |