Patents Represented by Attorney Joanne Beery

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  • Removal of volatile contaminants from the vadose zone of contaminated ground
    Patent number: RE33102
    Abstract: Volatile contaminants are removed from the vadose zone of contaminated ground by pumping volatilized contaminants from the vadose zone using one or more vacuum extraction wells.
    Type: Grant
    Filed: July 12, 1988
    Date of Patent: October 31, 1989
    Assignee: The Upjohn Company
    Inventors: Melvin J. Visser, James J. Malot