Leonard Messer

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Pittsburgh, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of reclaiming water and coal from coal treatment underflow b...
- Patent number 4,477,353
- Issue date Oct 16, 1984
- American Minechem Corporation
- Leonard Messer
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Method and apparatus for controlled dewaterizing of coal treatment...
- Patent number 4,178,243
- Issue date Dec 11, 1979
- American Minechem Corporation
- Leonard Messer
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL