Serial Number
72168667
Filing Date
May 13, 1963
Registration Date
Sep 1, 1964
Trademark by
Classification Information
OIL WELL TOOLS-NAMELY, CENTRALIZERS, SCRATCHERS, CEMENT BASKETS, STOP DEVICES, TURBULATORS, PACKER ADAPTERS, LINER HANGERS, AND OTHER OIL WELL COMPLETION TOOLS
Yarns and Threads