Alan A. Downie

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Vancouver, B.C., CA

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Patents Grantslast 30 patents

Information Patent Grant
Separation of oil from transformer filter cake
- Patent number 5,344,574
- Issue date Sep 6, 1994
- Frank C. Hume
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Remediation methods for toxic materials
- Patent number 5,209,851
- Issue date May 11, 1993
- Frank C. Hume
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL