Robert E. Heigold

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Calgary, CA

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Patents Grantslast 30 patents

Information Patent Grant
Diluent distillation process and apparatus
- Patent number 4,661,242
- Issue date Apr 28, 1987
- Delta Projects Inc.
- Jeffery E. Scott
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...