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For the Inventor, By the Inventor

CA

Dean Gray Enterprises


USPTO Granted Patents = 1

Forward Citations = 15

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2 inventors (with patents filed for the assignee):

goldMedal Norman Obst (1 out of 2 patents)

silverMedal Dean Gray (1 out of 1 patent)


1 patent:

1. 5685078 - Internal pipe cutter (1997-11-11),
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USPTO Data Jan 1 1976 - Jan 13 2026

1 Patents

#1,307 in

#9,187 in Canada

...
CA

Dean Gray Enterprises

Forward Citations = 15

2 inventors:

goldMedal Norman Obst (1 out of 2 patents)

silverMedal Dean Gray (1 out of 1 patent)

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