AMPCOLOY
Filed: February 17, 1944
WEAR RESISTANT AND CORROSION RESISTANT FINISHED MACHINE PARTS OF COPPER BASE ALLOY AND GENERALLY MANUALLY OPERATED NON-SPARKING…
Owned by: Ampco Metal, Inc.
Serial Number: 71467483
AMPCO
Filed: February 2, 1945
[ELECTRIC TERMINALS AND CONTACTS; TROLLEY SHOES; SWITCH CONTACTS;]ELECTRIC RESISTANCE[AND FLASH] WELDING ELECTRODES; AND…
Owned by: Ampco Metal, Inc.
Serial Number: 71479323
PHOS-TRODE
Filed: October 17, 1945
METALLIC WELDING RODS AND ARC WELDING ELECTRODES
Owned by: Ampco Metal, Inc.
Serial Number: 71490051
SIL-TRODE
Filed: February 21, 1948
METALLIC WELDING RODS AND ARC WELDING ELECTRODES
Owned by: Ampco Metal, Inc.
Serial Number: 71550288
PHOS-TRODE
Filed: February 3, 1954
WELDING RODS AND WIRE-NAMELY, METAL ARC ELECTRODES, INERT GAS CONSUMABLE ELECTRODES, AND FILLER RODS
Owned by: Ampco Metal, Inc.
Serial Number: 71660526
AMPCO
Filed: June 24, 1954
FLUXING MATERIALS FOR USE IN WELDING
Owned by: Ampco Metal, Inc.
Serial Number: 71668808
AMPCO-WELD
Filed: June 24, 1954
FLUXING MATERIALS FOR USE IN WELDING
Owned by: Ampco Metal, Inc.
Serial Number: 71668809
