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Inventor
SCHLEGEL MICHAEL L
US
2 patents
Patents
2 patents
US7198655B2
Apr 3, 2007
Method and apparatus for thermally upgrading carbonaceous materials
EVERGREEN ENERGY INC
9 citations
67
US7842107B2
Nov 30, 2010
Method and apparatus for thermally upgrading carbonaceous materials
EVERGREEN ENERGY INC
1 citations
45