Cardwell, Jr.; Gilbert I.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Cardwell, Jr.; Gilbert I..The latest application filed is for "starter circuit for an ion engine".

Company Profile

0.9.0

Cardwell, Jr.; Gilbert I. - Palos Verdes Peninsula CA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Starter circuit for an ion engine Grant 6,369,521 - Cardwell, Jr. , et al. April 9, 2	2002-04-09
Multiple output power supply circuit for an ion engine with shared upper inverter Grant 6,181,585 - Cardwell, Jr. , et al. January 30, 2	2001-01-30
Power supply circuit for an ion engine sequentially operated power inverters Grant 6,154,383 - Cardwell, Jr. November 28, 2	2000-11-28
D.C. chopper regulating method and apparatus incorporating bilateral regulating voltage path Grant 5,218,522 - Phelps , et al. June 8, 1	1993-06-08
Power supply in which regulation is achieved by processing a small portion of applied power through a switching regulator Grant 4,943,903 - Cardwell, Jr. July 24, 1	1990-07-24
Artificial speech device Grant 3,914,550 - Cardwell, Jr. October 21, 1	1975-10-21
Two-phase solid state power converter Grant 3,913,000 - Cardwell, Jr. October 14, 1	1975-10-14
Bilateral Power Conditioner For Spacecraft Grant 3,816,804 - Cardwell, Jr. June 11, 1	1974-06-11
Single Reactor Force Commutated Chopper Grant 3,763,418 - Beck , et al. October 2, 1	1973-10-02

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