Machinery Trademarks Filed in November 17, 1947
HE
Filed: November 17, 1947
OIL WELL TOOLS-NAMELY, REVERSING TOOLS, RELEASING SPEARS, TAPERS, BOX TAPS, INSIDE CUTTERS, OUTSIDE CUTTERS, RELEASING OVERSHOTS…
Owned by: HOUSTON ENGINEERS, INC.
Serial Number: 71541421
FLEX ROTOR
Filed: November 17, 1947
ROTARY PUMPS FOR MOVING FLUIDS
Owned by: HYPRO ENGINEERING CO.
Serial Number: 71541422
