Membership
Tour
Register
Log in
Pierre Van Rhyn
Follow
Person
Florida Park, ZA
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
High frequency self-oscillating welding apparatus
Patent number
4,520,255
Issue date
May 28, 1985
Crucible Societe Anonyme
Gordon L. Bredenkamp
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR