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For the Inventor, By the Inventor

Ottawa, Canada

Computing Devices Company


USPTO Granted Patents = 1

Forward Citations = 75

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2 inventors (with patents filed for the assignee):

goldMedal John W Patchell (1 out of 8 patents)

silverMedal R Keith Harman (1 out of 9 patents)


1 patent:

1. 4249207 - Perimeter surveillance system (1981-02-03),
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USPTO Data Jan 1 1976 - Sep 22 2026

1 Patents

#299 in Ottawa

#9,426 in Canada

Ottawa, CA
Ottawa, Canada

Computing Devices Company

Forward Citations = 75

2 inventors:

goldMedal John W Patchell (1 out of 8 patents)

silverMedal R Keith Harman (1 out of 9 patents)

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