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For the Inventor, By the Inventor

Old Castle, Canada

Crest Mold Technology Inc.


USPTO Granted Patents = 2

% Expired Patents = 50.0

Forward Citations = 3

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4 inventors (with patents filed for the assignee):

goldMedal William Cipkar (2 out of 2 patents)

silverMedal Edward Helmut Bernard (1 out of 9 patents)

bronzeMedal Will James Cipkar (1 out of 1 patent)

4.  Brian Gignac (1 out of 1 patent)


2 patents:

1. 11241554 - Manufacturing method for a hood type ventilation device (2022-02-08),
2. 7559763 - Dual material injection mold and method (2009-07-14),
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USPTO Data Jan 1 1976 - Oct 6 2026

2 Patents

#3 in Old Castle

#6,012 in Canada

Old Castle, CA
Old Castle, Canada

Crest Mold Technology Inc.

Forward Citations = 3

4 inventors:

goldMedal William Cipkar (2 out of 2 patents)

silverMedal Edward Helmut Bernard (1 out of 9 patents)

bronzeMedal Will James Cipkar (1 out of 1 patent)

4.  Brian Gignac (1 out of 1 patent)

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