Robert J. Kadwell

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Minneapolis, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Submersible well probe sleeve
- Patent number 5,322,119
- Issue date Jun 21, 1994
- Robert J. Kadwell
- E21 - EARTH DRILLING MINING
Information Patent Grant
Controlling cone of depression in a well by microprocessor control...
- Patent number 5,147,559
- Issue date Sep 15, 1992
- Robert W. Brophey
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information Patent Grant
Method and apparatus for removal of floating immiscible liquids
- Patent number 5,028,212
- Issue date Jul 2, 1991
- Robert W. Brophey
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL