For the Inventor, By the Inventor

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Houston, TX, United States of America

Virgo Engineers, Inc.

USPTO Granted Patents = 3

EPO Patents = 1

Forward Citations = 10

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1 inventor (with patents filed for the assignee):

Marvin E Beasley (3 out of 8 patents)

3 patents: Sort by Forward Citations

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),

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

3 Patents

#1,195 in Houston, TX

#4,692 in Texas

#72,067 in US

Houston, TX, United States of America

Virgo Engineers, Inc.

Forward Citations = 10

1 inventor:

Marvin E Beasley (3 out of 8 patents)

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