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For the Inventor, By the Inventor

Wetherby, United Kingdom

Eigd Limited


USPTO Granted Patents = 1

Forward Citations = 20

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1 inventor (with patents filed for the assignee):

goldMedal John Graham Crowder (1 out of 2 patents)


1 patent:

1. 4560875 - Infrared absorption gas detector (1985-12-24),
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USPTO Data Jan 1 1976 - Dec 16 2025

1 Patents

#4 in Wetherby

#9,672 in United Kingdom

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Wetherby, United Kingdom

Eigd Limited

Forward Citations = 20

1 inventor:

goldMedal John Graham Crowder (1 out of 2 patents)

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