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Southport Enterprises, Inc.
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Beverly, MA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Heater unit
Patent number
4,965,436
Issue date
Oct 23, 1990
Southport Enterprises
John W. Churchill
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Heater unit
Patent number
4,349,727
Issue date
Sep 14, 1982
Southport Enterprises, Inc.
John W. Churchill
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Trademark
last 30 trademarks