Salt Lake City, UT, United States of America

Efi Corporation


USPTO Granted Patents = 3

Trademarks = 1

Forward Citations = 97

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6 inventors (with patents filed for the assignee):

goldMedal Perry N Law (1 out of 27 patents)

silverMedal John M Wheeler (1 out of 2 patents)

bronzeMedal Michael F Stringfellow (1 out of 1 patent)

4 George A Harris (1 out of 1 patent)

5 Carl M Rasmussen (1 out of 3 patents)

6 Howard C Cooper (1 out of 1 patent)


3 patents:

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USPTO Data Jan 1 1976 - Dec 9 2025

3 Patents

#359 in Salt Lake City, UT

#955 in Utah

#71,967 in US

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Salt Lake City, UT, United States of America
Forward Citations = 97

6 inventors:

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