Fraser A. MacLeod

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Calgary, CA

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Patents Grantslast 30 patents

Information Patent Grant
Microbial process for selectively plugging a subterranean formation
- Patent number 4,800,959
- Issue date Jan 31, 1989
- Alberta Oil Sands Technology and Research Authority
- J. William F. Costerton
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...