TECHNI-CARB
Filed: June 5, 1972
CARBONACEOUS ADDITIVES FOR FERROUS METALS AND OTHER INDUSTRIAL PRODUCTS
Owned by: HICKMAN, WILLIAMS & COMPANY
Serial Number: 72426402
ELECTRO STEEL
Filed: September 19, 1977
METALLIC STEEL ABRASIVE USED IN SHOT BLAST MACHINES FOR SURFACE CLEANING AND SURFACE PREPARING OF CASTINGS, FORGINGS, STRUCTURAL…
Owned by: HICKMAN, WILLIAMS & COMPANY
Serial Number: 73141680
ECONO-CARB
Filed: November 29, 1978
Carbon Raiser (Dried Coke Breeze)
Owned by: HICKMAN, WILLIAMS & COMPANY
Serial Number: 73194937
TECHNI-BLAST
Filed: January 19, 1982
Chilled and Annealed Iron Abrasives Used in Blast Cleaning, and Etching of Metal Castings, Metal Forgings, Steel Fabrications…
Owned by: HICKMAN, WILLIAMS & COMPANY
Serial Number: 73346345
TECHNI-GRAPH
Filed: August 3, 1992
graphite-based additive used for the recarburization of iron and steel
Owned by: HICKMAN, WILLIAMS & COMPANY
Serial Number: 74300313
PIF
Filed: April 8, 1996
apparatus for automatically feeding predetermined additive amounts into a molten metal stream
Owned by: HICKMAN, WILLIAMS & COMPANY
Serial Number: 75092659
AMAC
Filed: April 8, 1996
apparatus for sampling and measuring predetermined components of a molten metal bath and automatically feeding required…
Owned by: HICKMAN, WILLIAMS & COMPANY
Serial Number: 75092672
HW
Common metals, metal alloys, iron, and ferroalloys for casting
Owned by: HICKMAN, WILLIAMS & COMPANY
Serial Number: 76023366
