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USPTO Data Jan 1 1976 - Sep 29 2026
3 Patents
#303 in Calgary
#4,365 in Canada
Sigma Dek Ltd.
Forward Citations = 20
10 inventors:
Sigma Dek Ltd.
% Expired Patents = 33.3
EPO Patents = 1
Forward Citations = 20
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10 inventors (with patents filed for the assignee):
Tory Weber (3 out of 15 patents)
Brian Boettger (3 out of 4 patents)
Stephan Lachevrotiere (3 out of 7 patents)
4. François Parenteau (3 out of 25 patents)
5. Paul Girouard (2 out of 2 patents)
6. Ken Crockett (2 out of 2 patents)
7. Derrick Resler (2 out of 2 patents)
8. Gregg Westergard (2 out of 2 patents)
9. David Croteau (2 out of 5 patents)
10. Pierre Harvey (2 out of 5 patents)
3 patents:
Please report any incorrect information to [email protected]
Please report any incorrect information to [email protected]
1 patent (EPO):
Please report any incorrect information to [email protected]