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For the Inventor, By the Inventor

Calgary, Canada

Tech-star Fluid Systems Inc.


USPTO Granted Patents = 2


Forward Citations = 1

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2 inventors (with patents filed for the assignee):

goldMedal Carl Keith Smith (2 out of 14 patents)

silverMedal Stefan Alexandru Stoian (2 out of 6 patents)


2 patents:

1. 8387723 - Drilling fluid and method for drilling in coal-containing formations (2013-03-05),
2. 8338340 - Drilling fluid and methods (2012-12-25),
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USPTO Data Jan 1 1976 - Dec 16 2025

2 Patents

#387 in Calgary

#5,835 in Canada

...
Calgary, Canada

Tech-star Fluid Systems Inc.

Forward Citations = 1

2 inventors:

goldMedal Carl Keith Smith (2 out of 14 patents)

silverMedal Stefan Alexandru Stoian (2 out of 6 patents)

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