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For the Inventor, By the Inventor

Philadelphia, PA, United States of America

Sim Kar Lighting Fixture Co., Inc.


USPTO Granted Patents = 1

Forward Citations = 13

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1 inventor (with patents filed for the assignee):

goldMedal Charles A Trowbridge (1 out of 5 patents)


1 patent:

1. 4422132 - Fluorescent-type fixture having improved fold-out lamp socket assemblies (1983-12-20),
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USPTO Data Jan 1 1976 - Dec 30 2025

1 Patents

#439 in Philadelphia, PA

#4,870 in Pennsylvania

#133,886 in US

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Philadelphia, PA, United States of America

Sim Kar Lighting Fixture Co., Inc.

Forward Citations = 13

1 inventor:

goldMedal Charles A Trowbridge (1 out of 5 patents)

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