Grays, United Kingdom

Chemviron Carbon Limited


USPTO Granted Patents = 1


Trademarks = 4

Forward Citations = 3

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2 inventors (with patents filed for the assignee):

goldMedal Harry Sharrock (1 out of 3 patents)

silverMedal Thomas A Ryan (1 out of 23 patents)

bronzeMedal Thomas Anthony Ryan (1 patent)


1 patent:

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USPTO Data Jan 1 1976 - Dec 16 2025

1 Patents

#1 in Grays

#9,652 in United Kingdom

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Grays, United Kingdom
Forward Citations = 3

2 inventors:

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