Membership
Tour
Register
Log in
Russell J. Maland
Follow
Person
Ames, IA, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Fan folded abrasive discs
Patent number
4,893,438
Issue date
Jan 16, 1990
Minnesota Mining and Manufacturing Company
Richard L. Fry
B24 - GRINDING POLISHING