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For the Inventor, By the Inventor

Grass Valley, CA, United States of America

Graham-Patten Systems, Inc.


USPTO Granted Patents = 1

Forward Citations = 3

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1 inventor (with patents filed for the assignee):

goldMedal William L Rorden (1 out of 3 patents)


1 patent:

1. 4686689 - Phase-locked loop circuit (1987-08-11),
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USPTO Data Jan 1 1976 - Jan 13 2026

1 Patents

#19 in Grass Valley, CA

#28,479 in California

#134,051 in US

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Grass Valley, CA, United States of America

Graham-Patten Systems, Inc.

Forward Citations = 3

1 inventor:

goldMedal William L Rorden (1 out of 3 patents)

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