TDL Trademark
Serial Number: 75340471 • Registration: 2252597
Trademark Classes
Owner Contact Info
Trademark Details
Filing Date
August 11, 1997
Registration Date
June 15, 1999
First Use Anywhere
November 1, 1971
First Use in Commerce
November 1, 1971
Published for Opposition
March 23, 1999
Cancellation Date
October 29, 2021
Goods & Services
electronic equipment for testing power lines and determining power line quality assurance