DUOTRON Trademark
Serial Number: 73233821 • Registration: 1154049
Trademark Classes
Owner Contact Info
Trademark Details
Filing Date
October 3, 1979
Registration Date
May 12, 1981
First Use Anywhere
July 1, 1972
First Use in Commerce
July 1, 1972
Published for Opposition
February 17, 1981
Cancellation Date
November 13, 1987