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sealvo.com · USPTO Trademark Record
https://sealvo.com/black-hills-energy-supply-77515706
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Applicant
BLACK HILLS CORPORATIONCorporation
SD
Attn: Steve Helmers, 625 Ninth Street, Rapid City, SD, 57701
US
Attorney
Steven J. Helmers Black Hills Corporation
625 Ninth Street`, 6th Floor, Rapid City, SD 57701, UNITED STATES