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For the Inventor, By the Inventor

Leeds, United Kingdom

T-Phy Ltd.


USPTO Granted Patents = 1

Forward Citations = 3

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2 inventors (with patents filed for the assignee):

goldMedal David Dearn (1 out of 10 patents)

silverMedal David Lomas (1 out of 5 patents)


1 patent:

1. 10175822 - Optical touch screen with a lossy dispersive FTIR layer (2019-01-08),
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USPTO Data Jan 1 1976 - Sep 22 2026

1 Patents

#81 in Leeds

#9,858 in United Kingdom

Leeds, GB
Leeds, United Kingdom

T-Phy Ltd.

Forward Citations = 3

2 inventors:

goldMedal David Dearn (1 out of 10 patents)

silverMedal David Lomas (1 out of 5 patents)

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