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For the Inventor, By the Inventor

Houston, TX, United States of America

The Friedkin Corporation


USPTO Granted Patents = 2

Forward Citations = 64

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3 inventors (with patents filed for the assignee):

goldMedal William E Boyles (2 out of 3 patents)

silverMedal David S Chang (1 out of 10 patents)

bronzeMedal Philip G Burger (1 out of 1 patent)


2 patents:

1. 5602535 - Vehicle security system based on two step communication range between (1997-02-11),
2. 5323140 - Antitheft system for use with a vehicle (1994-06-21),
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USPTO Data Jan 1 1976 - Sep 15 2026

2 Patents

#1,539 in Houston, TX

#6,291 in Texas

#94,628 in US

Houston, TX (US)
Houston, TX, United States of America

The Friedkin Corporation

Forward Citations = 64

3 inventors:

goldMedal William E Boyles (2 out of 3 patents)

silverMedal David S Chang (1 out of 10 patents)

bronzeMedal Philip G Burger (1 out of 1 patent)

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