Serial Number
72423760
Owner
WALCO INTERNATIONAL INC.First Use Date
Jan 3, 1972
Filing Date
May 8, 1972
DUO PEN Trademark
Serial Number: 72423760 • Registration: 0962500
Trademark Classes
Owner Contact Info
Trademark Details
Filing Date
May 8, 1972
Registration Date
July 3, 1973
First Use Anywhere
January 3, 1972
First Use in Commerce
January 3, 1972
Cancellation Date
January 19, 2024