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Therm-Air Industries, Inc.
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Seattle, WA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Forced air heater
Patent number
4,223,659
Issue date
Sep 23, 1980
Therm-Air Industries, Inc.
David J. Livezey
F24 - HEATING RANGES VENTILATING
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Patent Grant
Fireplace air heater
Patent number
4,220,131
Issue date
Sep 2, 1980
Therm-Air Industries, Inc.
David J. Livezey
F24 - HEATING RANGES VENTILATING
Patents Applications
last 30 patents
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last 30 trademarks