Serial Number
74185840
Owner
KNOWLEDGE SYSTEMS, INC.Attorney
CAROLINE K. ADAMSFirst Use Date
Mar 10, 1991
Filing Date
Jul 17, 1991
DRILLWORKS Trademark
Serial Number: 74185840 • Registration: 1688892
Trademark Classes
Owner Contact Info
Legal Representation
Correspondence Address
CAROLINE K ADAMS BRACEWELL & PATTERSON
2900 S TWR
PENNZOIL PL
HOUSTON
TX 77002
Trademark Details
Filing Date
July 17, 1991
Registration Date
May 26, 1992
First Use Anywhere
March 10, 1991
First Use in Commerce
March 10, 1991
Published for Opposition
March 3, 1992
Cancellation Date
November 30, 1998