Serial Number
77149385
Owner
Hydrogen Engine Center, Inc.Attorney
Alexandria ChristianFirst Use Date
Jan 1, 2004
Filing Date
Apr 5, 2007
HEC Trademark
Serial Number: 77149385 • Registration: 3548806
Trademark Classes
Owner Contact Info
2502 East Poplar Street
Algona, IA 50511
Entity Type: 03
Legal Representation
Trademark Details
Filing Date
April 5, 2007
Registration Date
December 23, 2008
First Use Anywhere
January 1, 2004
First Use in Commerce
January 1, 2004
Published for Opposition
October 7, 2008
Cancellation Date
July 26, 2019
Goods & Services
Hydrogen fueled engines for use in electrical generator sets