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For the Inventor, By the Inventor

Cary, NC, United States of America

Delta Thermal Systems, Inc.


USPTO Granted Patents = 2

Forward Citations = 26

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3 inventors (with patents filed for the assignee):

goldMedal David P Colvin (2 out of 95 patents)

silverMedal Donald K Cartwright (1 out of 1 patent)

bronzeMedal Virginia S Colvin (1 out of 4 patents)


2 patents:

1. 6298907 - Microclimate temperature regulating pad and products made therefrom (2001-10-09),
2. 6057266 - Microclimate environmental control on vegetation and seeds employing (2000-05-02),
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USPTO Data Jan 1 1976 - Dec 23 2025

2 Patents

#68 in Cary, NC

#1,997 in North Carolina

#92,558 in US

...
Cary, NC, United States of America

Delta Thermal Systems, Inc.

Forward Citations = 26

3 inventors:

goldMedal David P Colvin (2 out of 95 patents)

silverMedal Donald K Cartwright (1 out of 1 patent)

bronzeMedal Virginia S Colvin (1 out of 4 patents)

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