Canton, MA, United States of America

Stonebridge Control Devices, Inc.


USPTO Granted Patents = 3

Forward Citations = 3

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9 inventors (with patents filed for the assignee):

goldMedal William Hartman Fort (1 out of 86 patents)

silverMedal Ronald I Frank (1 out of 11 patents)

bronzeMedal Art Stephen (1 out of 2 patents)

4 Charles McCall (1 out of 2 patents)

5 Joe Heller (1 out of 2 patents)

6 Stephen Prouty (1 out of 1 patent)

7 Steven Kille (1 out of 1 patent)

8 Kevin Shell (1 out of 1 patent)

9 Jack Tseng (1 out of 1 patent)


3 patents:

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USPTO Data Jan 1 1976 - Dec 16 2025

3 Patents

#28 in Canton, MA

#3,878 in Massachusetts

#72,004 in US

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Canton, MA, United States of America
Forward Citations = 3

9 inventors:

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