C & D
Filed: December 20, 1957
WIPER STRIPS, SPRING CLIPS, BLOCK CLIPS, AND OTHER PARTS OR ELEMENTS OF HOT TOPS
Owned by: OGLEBAY NORTON COMPANY
Serial Number: 72042784
C & D
Filed: December 20, 1957
PROTECTIVE VENEER COMPOUND FOR THE LINING OF HOT TOPS
Owned by: OGLEBAY NORTON COMPANY
Serial Number: 72042785
C & D
Filed: December 20, 1957
HEAT RETAINING COVERS ADAPTED TO BE PLACED IN THE OPEN UPPER END OF HOT TOPS TO REST UPON THE UPPER END OF THE SINKHEADS…
Owned by: OGLEBAY NORTON COMPANY
Serial Number: 72042786
C & D
Filed: April 4, 1961
Combined Bottom Ring and Wiper Strip Used in Connection with Certain Types of Hot Tops which Are Used with Ingot Molds in…
Owned by: OGLEBAY NORTON COMPANY
Serial Number: 72117128
FERROBOARD
Filed: October 17, 1967
INSULATING PANELS FOR USE IN HOT-TOPPING
Owned by: OGLEBAY NORTON COMPANY
Serial Number: 72282713
QUICKLINE
Filed: October 17, 1967
HOT TOPS AND PARTS THEREOF
Owned by: OGLEBAY NORTON COMPANY
Serial Number: 72282714
C & D
Filed: August 21, 1969
HOTTOPPING MATERIAL-NAMELY, COVERS FOR HOT TOPS AND INSULATING PANELS FOR USE IN HOT TOPS
Owned by: OGLEBAY NORTON COMPANY
Serial Number: 72335894
Image Trademark
Filed: September 8, 1978
Replaceable Insulating Materials for Use in Hot Tops and/or Tundishes-Namely, Insulating Brick as Distinguished from Refractory…
Owned by: OGLEBAY NORTON COMPANY
Serial Number: 73185024
TMC
Filed: October 10, 1978
SAND
Owned by: OGLEBAY NORTON COMPANY
Serial Number: 73188662
FERROCON
Filed: April 28, 1983
REFRACTORY AND INSULATING MATERIALS USED IN POURING MOLTEN STEEL, NAMELY, TUNDISH LINERS, DAMS & WEIRS, POUR PADS & TOPPINGS…
Owned by: OGLEBAY NORTON COMPANY
Serial Number: 73423655
PERFORMIX
Filed: April 23, 1996
slag for manufacturing steel
Owned by: OGLEBAY NORTON COMPANY
Serial Number: 75094422
