Patents by Inventor Richard G. Malmquist

Richard G. Malmquist 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).

  • Motorized turntable for petri dish
    Patent number: 7105338
    Abstract: Improvements to turntables that facilitate inoculation of petri dishes. In one embodiment, the present invention is a motorized turntable for a petri dish that allows the user to use both hands for inoculation of the petri dish. In another embodiment, the present invention features an improved upper plate for a petri dish turntable that allows the user to more easily remove the petri dish from the upper plate after inoculation. In another embodiment, the present invention provides an apparatus for rotating a conventional turntable for petri dishes.
    Type: Grant
    Filed: October 2, 2002
    Date of Patent: September 12, 2006
    Inventors: Richard Holmes, Richard G. Halstead, Richard G. Malmquist, Douglass M. Nolte
  • Electromagnetic shielding clip
    Patent number: 4803306
    Abstract: An electromagnetic shielding clip made from a metallic strip having a U-shaped attaching portion with a notch formed on each side of the attaching portion. The metallic strip has a bent portion at the top of each side of the U-shaped attaching portion. A contact wing extends from at least one of the bent portions. The clip engages a conductive panel between the bent portion and the top ledge formed by the notch.
    Type: Grant
    Filed: June 3, 1987
    Date of Patent: February 7, 1989
    Assignee: Computervision Corporation
    Inventor: Richard G. Malmquist