Dukecal J. Hardin

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Jackson Point, CA

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and process for extracting oil or bitumen from tar sands
- Patent number 4,110,195
- Issue date Aug 29, 1978
- Magna International Inc.
- Dukecal J. Hardin
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING