Mark Identification
DRH
Serial Number
71687862
Filing Date
May 19, 1955
Registration Date
Feb 7, 1956
Trademark by
Classification Information
TUBING HEADS, CASING HEADS, FLANGED TUBING SUPPORTS, OIL SAVER BASES, TOP MALE AND FEMALE THREAD ADAPTERS, SETS OF INTERNAL PARTS FOR TUBING AND CASING HEADS, THREADED WELDING NIPPLES, CASING SUPPORTS, AND TUBING SPIDERS
Firearms