Serial Number
73165034
Owner
Research Development Systems, Inc.First Use Date
Dec 29, 1977
Filing Date
Apr 4, 1978
HEP-O-METER Trademark
Serial Number: 73165034 • Registration: 1128872
Trademark Classes
Owner Contact Info
Trademark Details
Filing Date
April 4, 1978
Registration Date
January 8, 1980
First Use Anywhere
December 29, 1977
First Use in Commerce
January 23, 1978
Cancellation Date
January 27, 2001