TAP/TRAP
Filed: May 5, 1958
AIR CHAMBERS FOR WATER SYSTEMS FOR PREVENTION OF AIR HAMMER
Owned by: CALUMET & HECLA, INC.
Serial Number: 72050969
PMS
Filed: July 15, 1960
CONSULTING AND ENGINEERING SERVICES IN FLEXIBLE TUBING, FITTINGS THEREFOR, AND ASSOCIATED PRODUCTS
Owned by: CALUMET & HECLA, INC.
Serial Number: 72100900
LIDEOX
Filed: August 8, 1960
BILLETS OF METAL ALLOY
Owned by: CALUMET & HECLA, INC.
Serial Number: 72102192
LOKTFIN
Filed: August 29, 1960
FINNED TUBING
Owned by: CALUMET & HECLA, INC.
Serial Number: 72103538
LOKTFIN
Filed: August 29, 1960
FINNED TUBING
Owned by: CALUMET & HECLA, INC.
Serial Number: 72103539
CU-NEL
Filed: July 31, 1961
NON-FERROUS TUBING
Owned by: CALUMET & HECLA, INC.
Serial Number: 72124999
C-LINE
Filed: January 15, 1962
METAL CASTINGS FOR INDUSTRIAL USE SUCH AS CAST ALLOY GRINDING BALLS AND CAST ALLOY MILL LINERS
Owned by: CALUMET & HECLA, INC.
Serial Number: 72135758
PANELFIN
Filed: January 22, 1962
HEAT EXCHANGE PRODUCT FOR USE IN THERMOELECTRIC ENERGY CONVERSION AND COOLING OF ELECTRIC COMPONENTS
Owned by: CALUMET & HECLA, INC.
Serial Number: 72136200
C-LINE
Filed: March 26, 1962
IRON CARBONATE AND COPPER CONCENTRATES
Owned by: CALUMET & HECLA, INC.
Serial Number: 72140633
C-LINE
Filed: March 26, 1962
COPPER CONCENTRATES FORMULATED AS A SOIL NUTRIENT
Owned by: CALUMET & HECLA, INC.
Serial Number: 72140634
CU-NEL
Filed: May 7, 1962
NICKEL COPPER ALLOYS
Owned by: CALUMET & HECLA, INC.
Serial Number: 72143929
C-LINE
Filed: May 6, 1963
COPPER CONCENTRATES FOR USE AS A CONSTITUENT OF ANIMAL FEED MIXTURES
Owned by: CALUMET & HECLA, INC.
Serial Number: 72168152
TRUEFIN
Filed: July 6, 1964
FINNED TUBE
Owned by: CALUMET & HECLA, INC.
Serial Number: 72197073
NITROGENEERED
Filed: July 12, 1965
NITROGEN-FILLED COPPER TUBING FOR USE IN REFRIGERATION CIRCUITS
Owned by: CALUMET & HECLA, INC.
Serial Number: 72223077
CAL-COP 10
Filed: September 19, 1966
FUNGICIDE
Owned by: CALUMET & HECLA, INC.
Serial Number: 72254830
ADAPTATUBE
Filed: April 24, 1967
HYDRONIC CONNECTOR IN THE FORM OF A FLEXIBLE PIECE OF CORRUGATED METAL TUBE FOR USE IN FLUID SYSTEMS
Owned by: CALUMET & HECLA, INC.
Serial Number: 72269854
