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For the Inventor, By the Inventor

Watford, United Kingdom

S. G. Brown Limited


USPTO Granted Patents = 2

Forward Citations = 7

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1 inventor (with patents filed for the assignee):

goldMedal David L Brook (2 out of 3 patents)


2 patents:

1. 4224573 - Electric circuit device and pendulum unit incorporating such devices (1980-09-23),
2. 4180916 - Gyroscopic instruments (1980-01-01),
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USPTO Data Jan 1 1976 - Dec 16 2025

2 Patents

#9 in Watford

#6,361 in United Kingdom

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Watford, United Kingdom

S. G. Brown Limited

Forward Citations = 7

1 inventor:

goldMedal David L Brook (2 out of 3 patents)

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