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Conrad Boehnlein
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Gardena, CA, US
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last 30 patents
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Patent Grant
Flame proof sealing mechanism
Patent number
6,484,358
Issue date
Nov 26, 2002
Robertshaw Controls Company
Thach Duong
F24 - HEATING RANGES VENTILATING
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Patent Grant
Fuel feedline and vapor barrier assembly
Patent number
6,446,582
Issue date
Sep 10, 2002
Robertshaw Controls Company
Thach Duong
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES