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The Open Database Of The Corporate World

BLACK HILLS CORPORATION

Trademark registrations

Mark Text Image Register NICE classifications Registration Date Expiry Date
BLACK HILLS ENERGY Large United States Patent and Trademark Office 37, 39, 40 2014-07-15 details
Large United States Patent and Trademark Office 37 2014-07-01 details
BH Large United States Patent and Trademark Office 36, 39, 40 2013-08-06 details
IMPROVING LIFE WITH ENERGY Large United States Patent and Trademark Office 36, 39, 40 2012-04-17 details
BLACK HILLS CORPORATION Large United States Patent and Trademark Office 36, 39, 40 2012-04-17 details
SERVICE GUARD United States Patent and Trademark Office 36, 37 1993-07-27 details
SERVICE GUARD A DIVISION OF AQUILA Large United States Patent and Trademark Office 36 2006-06-06 2013-01-11 historic details
BLACK HILLS FIBERCOM Large United States Patent and Trademark Office 38 2003-01-21 2009-08-29 historic details
BLACK HILLS FIBERCOM United States Patent and Trademark Office 38 2001-03-06 2007-12-08 historic details
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