Patents by Inventor James W. Kenney

James W. Kenney has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Apparatus for drawing liquids into, and expelling liquids from a pipette
    Patent number: 3963061
    Abstract: Apparatus for drawing liquids into, and expelling liquids from, a pipette including a housing comprising a hand-held pistol grip to which is connected a pipette-supporting portion. Valve means mounted on the pistol grip beneath two fingers of the user permit selective application of pressure or vacuum to one end of the pipette for drawing the liquid into, and expelling the liquid from, the pipette.
    Type: Grant
    Filed: September 16, 1975
    Date of Patent: June 15, 1976
    Assignee: Drummond Scientific Company
    Inventor: James W. Kenney
  • Automatic pipette or the like
    Patent number: D242729
    Type: Grant
    Filed: May 30, 1975
    Date of Patent: December 14, 1976
    Assignee: Drummond Scientific Company
    Inventor: James W. Kenney