Leon A. Allen

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Grover, MO, US

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Patents Grantslast 30 patents

Information Patent Grant
Methods for improving zero dislocation yield of single crystals
- Patent number 5,980,629
- Issue date Nov 9, 1999
- MEMC Electronic Materials, Inc.
- Richard L. Hansen
- C30 - CRYSTAL GROWTH
Information Patent Grant
Surface-treated crucibles for improved zero dislocation performance
- Patent number 5,976,247
- Issue date Nov 2, 1999
- MEMC Electronic Materials, Inc.
- Richard L. Hansen
- C30 - CRYSTAL GROWTH
Information Patent Grant
Method for preparing molten silicon melt from polycrystalline silic...
- Patent number 5,814,148
- Issue date Sep 29, 1998
- MEMC Electronic Materials, Inc.
- Kyong-Min Kim
- C30 - CRYSTAL GROWTH