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For the Inventor, By the Inventor

Coquitlam, Canada

6672205 Canada Incorporated


USPTO Granted Patents = 3

% Expired Patents = 66.7

Forward Citations = 1

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3 inventors (with patents filed for the assignee):

goldMedal Tina Thompson (3 out of 3 patents)

silverMedal Mark Taylor (2 out of 28 patents)

bronzeMedal Ted Gilligan (2 out of 2 patents)


3 patents:

1. 9909276 - Pick hole guard for manhole covers (2018-03-06),
2. 9447559 - Pick hole guard for manhole covers (2016-09-20),
3. 8579541 - Pick hole guard for manhole covers (2013-11-12),
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USPTO Data Jan 1 1976 - Sep 29 2026

3 Patents

#16 in Coquitlam

#4,365 in Canada

Coquitlam, CA
Coquitlam, Canada

6672205 Canada Incorporated

Forward Citations = 1

3 inventors:

goldMedal Tina Thompson (3 out of 3 patents)

silverMedal Mark Taylor (2 out of 28 patents)

bronzeMedal Ted Gilligan (2 out of 2 patents)

Please report any incorrect information to [email protected]
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