Membership
Tour
Register
Log in
Cornelius Phaal
Follow
Person
Sandton, ZA
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Drill bit
Patent number
4,373,593
Issue date
Feb 15, 1983
Christensen, Inc.
Cornelius Phaal
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Cutting element for processing rocks, metal or the like
Patent number
4,252,102
Issue date
Feb 24, 1981
Christensen, Inc.
Cornelius Phaal
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR