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For the Inventor, By the Inventor

Englewood, CO, United States of America

Lear Siegler Measurement Controls Corporation


USPTO Granted Patents = 3

Forward Citations = 44

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3 inventors (with patents filed for the assignee):

goldMedal Gerald F McGowan (3 out of 5 patents)

silverMedal Ronald L Ketchum (3 out of 4 patents)

bronzeMedal Allan L Budd (1 out of 3 patents)


3 patents:

1. 5053623 - Photometric analyzer for differential total reduced sulfur measurement (1991-10-01),
2. 5028790 - Apparatus for full-system zero check and window soiling measurement and (1991-07-02),
3. 4974455 - Dilution extractive probe (1990-12-04),
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USPTO Data Jan 1 1976 - Dec 30 2025

3 Patents

#144 in Englewood, CO

#1,717 in Colorado

#72,030 in US

...
Englewood, CO, United States of America

Lear Siegler Measurement Controls Corporation

Forward Citations = 44

3 inventors:

goldMedal Gerald F McGowan (3 out of 5 patents)

silverMedal Ronald L Ketchum (3 out of 4 patents)

bronzeMedal Allan L Budd (1 out of 3 patents)

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