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ENSERV, INC.
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MADISON, WI, US
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Patents Grants
last 30 patents
Information
Patent Grant
Horizontal heater/treater and/or vapor tight oil battery
Patent number
5,042,582
Issue date
Aug 27, 1991
Enserv Corporation
Robert K. Rajewski
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
74330453 - BRIGHT FUTURES
Serial number
74330453
Filing date
Nov 12, 1992
ENSERV Inc.
42 - Scientific and technological services and research and design relating thereto
Information
Trademark
74296232 - VAPOUR TIGHT
Serial number
74296232
Filing date
Jul 17, 1992
Enserv Corporation
11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
Information
Trademark
73581590 - ENSERV
Serial number
73581590
Registration number
1445582
Filing date
Feb 6, 1986
ENSERV, INC.
37 - Building construction