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For the Inventor, By the Inventor

Houston, TX, United States of America

Virgo Engineers, Inc.


USPTO Granted Patents = 3


Forward Citations = 12

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1 inventor (with patents filed for the assignee):

goldMedal Marvin E Beasley (3 out of 8 patents)


3 patents:

1. 8720855 - Ball valve having multiple moveable seats (2014-05-13),
2. 8646752 - Ball valve having multiple moveable seats (2014-02-11),
3. 8201574 - Bi-directional sealing ball valve (2012-06-19),
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USPTO Data Jan 1 1976 - Sep 15 2026

3 Patents

#1,208 in Houston, TX

#4,783 in Texas

#73,706 in US

Houston, TX (US)
Houston, TX, United States of America

Virgo Engineers, Inc.

Forward Citations = 12

1 inventor:

goldMedal Marvin E Beasley (3 out of 8 patents)

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