John A. Knox

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Duncan, OK, US

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Patents Grantslast 30 patents

Information Patent Grant
Well gravel packing methods
- Patent number 5,295,542
- Issue date Mar 22, 1994
- Halliburton Company
- R. Clay Cole
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method for effecting controlled break in polysaccharide gels
- Patent number 4,961,466
- Issue date Oct 9, 1990
- Halliburton Company
- Ronald E. Himes
- E21 - EARTH DRILLING MINING
Information Patent Grant
Acidizing subterranean well formations containing deposits of metal...
- Patent number 4,151,098
- Issue date Apr 24, 1979
- Halliburton Company
- Walter R. Dill
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...