Patents by Inventor Francois Stoffel

Francois Stoffel 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).

  • Automat for analyzing blood grouping with specifically formed sample support
    Patent number: 5168766
    Abstract: An automat for analyzing blood grouping, which includes a centrifuge for positioning and centrifuging micro-boards opposite supports articulated on the ends of a beam driven in rotation by a stepping motor, and a transfer clamp controlled along the x-axis XX' and y-axis YY' by two stepping motors so as to transport the micro-boards from the centrifuge to different work stations.
    Type: Grant
    Filed: February 26, 1991
    Date of Patent: December 8, 1992
    Assignee: Gespac Instruments
    Inventor: Francois Stoffel