DRILLING EQUIPMENT MANUFACTURING COMPANY Trademarks
DEMCO

DEMCO

Filed: June 18, 1952
TONG DIES, CIRCULATING TYPE ROD OILERS, FLOAT SEAT PULLERS, RODS AND LINERS FOR PUMPS, GLAND BUSHINGS AND JUNK RINGS FOR…
Owned by: DRILLING EQUIPMENT MANUFACTURING COMPANY
Serial Number: 71631344