Rocky River, OH, US
Information
Patent Grant
Whizard Protective Wear Corp.
William H. Bettcher
D02 - YARNS MECHANICAL FINISHING OF YARNS OR ROPES WARPING OR BEAMING
Information
Patent Grant
Bettcher Industries, Inc.
Raymond J. Herrmann
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
