Serial Number
77784612
Owner
KOSS CORPORATIONAttorney
Sana HakimFirst Use Date
Dec 31, 1984
Filing Date
Jul 20, 2009
PORTA PRO Trademark
Serial Number: 77784612 • Registration: 3746791
Trademark Classes
Owner Contact Info
Legal Representation
Trademark Details
Filing Date
July 20, 2009
Registration Date
February 9, 2010
First Use Anywhere
December 31, 1984
First Use in Commerce
December 31, 1984
Published for Opposition
November 24, 2009
Goods & Services
Headphones