Theodore J. W. Frauenfeld

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Edmonton, CA

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Patents Grantslast 30 patents

Information Patent Grant
Solvent-assisted method for mobilizing viscous heavy oil
- Patent number 5,899,274
- Issue date May 4, 1999
- Alberta Oil Sands Technology and Research Authority
- Theodore J. W. Frauenfeld
- E21 - EARTH DRILLING MINING