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For the Inventor, By the Inventor

Irving, TX, United States of America

Efj, Inc.


USPTO Granted Patents = 1

Forward Citations = 13

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2 inventors (with patents filed for the assignee):

goldMedal John Livdahl (1 out of 3 patents)

silverMedal Linda M Trine (1 out of 9 patents)


1 patent:

1. 7944847 - Voting comparator method, apparatus, and system using a limited number of digital signal processor modules to process a larger number of analog audio streams without affecting the quality of the voted audio stream (2011-05-17),
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USPTO Data Jan 1 1976 - Sep 29 2026

1 Patents

#146 in Irving, TX

#9,235 in Texas

#136,675 in US

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

Efj, Inc.

Forward Citations = 13

2 inventors:

goldMedal John Livdahl (1 out of 3 patents)

silverMedal Linda M Trine (1 out of 9 patents)

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