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John G. Arnold Jr.
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Tulsa, OK, US
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last 30 patents
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Patent Grant
B vent exhaust termination
Patent number
D677374
Issue date
Mar 5, 2013
European Copper, L.L.C.
John G. Arnold
D23 - Environmental heating and cooling
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Patent Grant
Direct vent exhaust termination
Patent number
D677375
Issue date
Mar 5, 2013
European Copper, L.L.C.
John G. Arnold
D23 - Environmental heating and cooling