Machinery Trademarks Filed in June 28, 1952
ALCO
Filed: June 28, 1952
TURBINE SUPERCHARGERS FOR DIESEL ENGINES
Owned by: COLTEC INDUSTRIES INC.
Serial Number: 71631914
ETNA
Filed: June 28, 1952
ELECTRICALLY OPERATED TUBE FORMING AND WELDING MACHINES USING RESISTANCE WELDING FOR THE SEAM WELDINGS
Owned by: ETNA MACHINE COMPANY, THE
Serial Number: 71631923
