Patents by Inventor Antti J. Keipi

Antti J. Keipi 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).

  • Knob pipette
    Patent number: 5389341
    Abstract: A motor-driven knob pipette, wherein the displacement of a slidably transferable knob controls the movement of a piston by means of an electronic control system. The pipette is light to use, and the user has continuosly a good motory feel with the pipette.
    Type: Grant
    Filed: June 22, 1993
    Date of Patent: February 14, 1995
    Assignee: Labsystems Oy
    Inventors: Jukka Tuunanen, Juhaa K. Telimaa, Antti J. Keipi, Ari K. Kukkonen