Serial Number
75203788
Owner
PROTON ENERGY SYSTEMS, INC.Attorney
Philmore H. Colburn IIFirst Use Date
Feb 12, 1997
Filing Date
Nov 25, 1996
UNIGEN Trademark
Serial Number: 75203788 • Registration: 2272644
Trademark Classes
Owner Contact Info
10 Technology Drive
Wallingford, CT 06492
Entity Type: 03
Legal Representation
Trademark Details
Filing Date
November 25, 1996
Registration Date
August 24, 1999
First Use Anywhere
February 12, 1997
First Use in Commerce
February 12, 1997
Published for Opposition
September 16, 1997
Cancellation Date
March 27, 2010
Goods & Services
electrolytic systems, namely, fuel cells and electrolyzers for energy conversion