Rock Hill, SC, US
Information
Patent Grant
Hall Dielectric Machinery, Inc.
William A. Hall
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
HALL DIELECTRIC MACHINERY COMPANY, INC.
William Alfred Hall
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Trademark
Hall Dielectric Machinery Company, Inc.
40 - Treatment of materials
