Ralph G. Jonasson

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Edmonton, CA

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Patents Grantslast 30 patents

Information Patent Grant
Wellbore sand control method
- Patent number 5,836,391
- Issue date Nov 17, 1998
- Alberta Oil Sands Technology and Research Authority
- Ralph G. Jonasson
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...