Mrenna; Stephen A.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Mrenna; Stephen A..The latest application filed is for "molded case circuit breaker with pressure release mechanism".

Company Profile

0.16.0

Mrenna; Stephen A. - Beaver PA
Mrenna; Stephen A. - Brighton Township Beaver County

*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
Molded case circuit breaker with pressure release mechanism Grant 6,002,313 - Mrenna , et al. December 14, 1	1999-12-14
Circuit breaker using bimetal of thermal-magnetic trip to sense current Grant 5,519,561 - Mrenna , et al. May 21, 1	1996-05-21
Handle barrier in a molded case for a miniature circuit breaker Grant 5,436,605 - Mrenna July 25, 1	1995-07-25
Circuit breaker with tamper indicating calibration means Grant 5,008,645 - Mrenna April 16, 1	1991-04-16
Circuit breaker with remote control Grant 4,725,799 - Bratkowski , et al. February 16, 1	1988-02-16
Circuit breaker with magnetic shunt hold back circuit Grant 4,725,800 - Grunert , et al. February 16, 1	1988-02-16
Circuit breaker with fast trip unit Grant 4,719,438 - Mrenna , et al. January 12, 1	1988-01-12
Circuit breaker with adjustable thermal trip unit Grant 4,698,606 - Mrenna , et al. October 6, 1	1987-10-06
Circuit breaker with adjustable magnetic trip unit Grant 4,691,182 - Mrenna , et al. September 1, 1	1987-09-01
Molded case circuit breaker apparatus having trip bar with flexible armature interconnection Grant 4,503,408 - Mrenna , et al. March 5, 1	1985-03-05
Mechanical interlock for low voltage circuit breakers Grant 4,286,242 - Mrenna , et al. August 25, 1	1981-08-25
Circuit breaker with improved arc extinguishing means Grant 4,266,210 - Mrenna , et al. May 5, 1	1981-05-05
Circuit breaker having improved movable contact position indicator Grant 4,121,077 - Mrenna , et al. October 17, 1	1978-10-17
Self-adjusting circuit breaker with rotating trip assembly Grant 3,950,714 - Mrenna , et al. April 13, 1	1976-04-13
Circuit Breaker Assembly With Improved Tripping Mechanism Grant 3,840,833 - Mrenna , et al. October 8, 1	1974-10-08
Enclosed Switchgear With Improved Insulating Support Means Grant 3,796,922 - Mrenna , et al. March 12, 1	1974-03-12

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