STRONGBARN
Filed: May 7, 1948
CORRUGATED STEEL SHEET ROOFING AND SIDING
Owned by: GRANITE CITY STEEL COMPANY
Serial Number: 71556439
GRANITE CITY
Filed: October 22, 1948
STEEL, ALLOY STEEL, GALVANIZED STEEL, AND TINCOATED STEEL INGOTS, COILS, PLAIN SHEETS, AND CORRUGATED SHEETS
Owned by: GRANITE CITY STEEL COMPANY
Serial Number: 71567457
CORRUFORM
Filed: March 28, 1949
CORRUGATED METAL SHEETS, CLIPS AND REINFORCING MEMBERS FOR USE IN CONCRETE CONSTRUCTION
Owned by: GRANITE CITY STEEL COMPANY
Serial Number: 71576202
GRANCO
Filed: June 24, 1954
COMMERCIAL, DOMESTIC AND INDUSTRIAL METAL SHEETS OF CORRUGATED FORM; COMBINATION FABRICATED METAL FORMS AND REINFORCEMENTS…
Owned by: GRANITE CITY STEEL COMPANY
Serial Number: 71668839
COFAR
Filed: July 16, 1954
METAL SHEETS AND REINFORCING MEMBERS FOR USE IN CONCRETE CONSTRUCTION
Owned by: GRANITE CITY STEEL COMPANY, GRANITE CITY STEEL COMPANY and GRANITE CITY STEEL COMPANY
Serial Number: 71670102
TUFCOR
Filed: August 4, 1954
COMMERCIAL, DOMESTIC, AND INDUSTRIAL METAL SHEETS OF PLAIN AND CORRUGATED FORM; COMBINATION FABRICATED METAL FORMS AND REINFORCEMENTS…
Owned by: GRANITE CITY STEEL COMPANY
Serial Number: 71671100
FUL-FLO
Filed: January 18, 1962
METAL SUBDRAIN PIPE
Owned by: GRANITE CITY STEEL COMPANY
Serial Number: 72136038
SOFT-FORM
Filed: April 20, 1962
GALVANIZED FLAT STEEL SHEETS
Owned by: GRANITE CITY STEEL COMPANY
Serial Number: 72142706
CEL-WAY
Filed: March 5, 1964
CELLULAR METAL FLOOR DUCTS FOR THE PASSAGE OF ELECTRICAL WIRES
Owned by: GRANITE CITY STEEL COMPANY
Serial Number: 72188009
STRONGPANEL
Filed: June 20, 1966
GALVANIZED STEEL ROOFING AND SIDING FOR FARM, RANCH, AND OTHER BUILDINGS
Owned by: GRANITE CITY STEEL COMPANY
Serial Number: 72248469
