John W. Burd

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Chesterfield, MO, US

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Patents Grantslast 30 patents

Information Patent Grant
Stabilizing and supporting apparatus for float zone refined semicon...
- Patent number 4,257,841
- Issue date Mar 24, 1981
- Monsanto Company
- John M. Ross
- C30 - CRYSTAL GROWTH
Information Patent Grant
Apparatus for zone refining
- Patent number 4,201,746
- Issue date May 6, 1980
- Monsanto Company
- John W. Burd
- C30 - CRYSTAL GROWTH
Information Patent Grant
Apparatus for zone refining
- Patent number 4,045,181
- Issue date Aug 30, 1977
- Monsanto Company
- John W. Burd
- C30 - CRYSTAL GROWTH