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H. B. Smith Co.
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Westfield, MA, US
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Patents Grants
last 30 patents
Information
Patent Grant
High-efficiency heating unit
Patent number
4,989,781
Issue date
Feb 5, 1991
H. B. Smith Co.
Eric C. Guyer
F24 - HEATING RANGES VENTILATING
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
71426378 - MILLS
Serial number
71426378
Registration number
379109
Filing date
Dec 8, 1939
H.B. SMITH COMPANY, INCORPORATED, THE
11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes