Johan Ewald Westraadt

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Springs, ZA

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Patents Grantslast 30 patents

Information Patent Grant
Superhard constructions and methods of making same
- Patent number 10,328,550
- Issue date Jun 25, 2019
- Element Six Abrasives S.A.
- Johan Ewald Westraadt
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
SUPERHARD CONSTRUCTIONS AND METHODS OF MAKING SAME
- Publication number 20160016291
- Publication date Jan 21, 2016
- ELEMENT SIX ABRASIVES S.A.
- Johan Ewald Westraadt
- E21 - EARTH DRILLING MINING