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For the Inventor, By the Inventor

Aurora, IL, United States of America

The Connor Winfield Corporation


USPTO Granted Patents = 2

Trademarks = 1

Forward Citations = 27

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3 inventors (with patents filed for the assignee):

goldMedal Matthew J Klueppel (2 out of 2 patents)

silverMedal David J Kenny (2 out of 2 patents)

bronzeMedal Kenneth D Hartman (2 out of 9 patents)


2 patents:

1. 6359476 - Frequency correction circuit for a periodic source such as a crystal oscillator (2002-03-19),
2. 6249155 - Frequency correction circuit for a periodic source such as a crystal oscillator (2001-06-19),
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USPTO Data Jan 1 1976 - Dec 9 2025

2 Patents

#51 in Aurora, IL

#4,307 in Illinois

#92,599 in US

...
Aurora, IL, United States of America

The Connor Winfield Corporation

Forward Citations = 27

3 inventors:

goldMedal Matthew J Klueppel (2 out of 2 patents)

silverMedal David J Kenny (2 out of 2 patents)

bronzeMedal Kenneth D Hartman (2 out of 9 patents)

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