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Gregory Brisan
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South Gate, CA, US
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last 30 patents
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Patent Grant
Large valve-actuator
Patent number
D521598
Issue date
May 23, 2006
Barksdale, Inc.
Kevin Bates
D23 - Environmental heating and cooling
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Patent Grant
Large valve-actuator
Patent number
D521599
Issue date
May 23, 2006
Barksdale, Inc.
Kevin Bates
D23 - Environmental heating and cooling