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David L. Martindale
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Los Osos, CA, US
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last 30 patents
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Valve
Patent number
D301915
Issue date
Jun 27, 1989
Cryolab, Inc.
Randall E. Fisher
D23 - Environmental heating and cooling
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Patent Grant
Valve
Patent number
D301916
Issue date
Jun 27, 1989
Cryolab, Inc.
Randall E. Fisher
D23 - Environmental heating and cooling
Los Osos, CA, US
Cryolab, Inc.
Randall E. Fisher
D23 - Environmental heating and cooling