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Patent applications and USPTO patent grants for Jackson, Jr.; John T..The latest application filed is for "balanced magnetic proximity switch assembly".
Patent | Date |
---|---|
Balanced magnetic proximity switch assembly Grant 5,929,731 - Jackson, Jr. July 27, 1 | 1999-07-27 |
Magnetic proximity switch system Grant 5,877,664 - Jackson, Jr. March 2, 1 | 1999-03-02 |
Magnetic proximity switch system with slide-by anti-defeat machanism Grant 5,874,878 - Jackson, Jr. February 23, 1 | 1999-02-23 |
Monitored security switch assembly Grant 5,821,870 - Jackson, Jr. October 13, 1 | 1998-10-13 |
High security balanced-type, magnetically-actuated proximity switch system Grant 5,668,533 - Jackson, Jr. , et al. September 16, 1 | 1997-09-16 |
Wide air gap permanent magnet motors Grant RE32,654 - Jackson, Jr. April 26, 1 | 1988-04-26 |
Wide air gap permanent magnet motors Grant 4,445,061 - Jackson, Jr. April 24, 1 | 1984-04-24 |
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