Patents by Inventor Frank Oelke

Frank Oelke 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).

  • Chair with lateral frame parts connected by transverse rods supporting seat and backrest
    Patent number: 5586808
    Abstract: A chair has two lateral frame parts, each one in the form of a single, continuous member of an elastically yielding material. Transverse rods are connected between the lateral frame parts. A seat is connected to at least one of the transverse rods and a back rest is connected to at least one of the transverse rods. The single member of the lateral frame parts is preferably made of spring steel. Connecting elements that are slipped onto the lateral frame parts are used for connecting the transverse rods to the lateral frame parts. The connecting parts can be balls having throughbores for receiving the lateral frame parts and threaded holes, extending substantially perpendicularly to the throughbores, for receiving the transverse rods.
    Type: Grant
    Filed: April 21, 1995
    Date of Patent: December 24, 1996
    Inventor: Frank Oelke
  • Stool
    Patent number: D374559
    Type: Grant
    Filed: September 8, 1995
    Date of Patent: October 15, 1996
    Inventor: Frank Oelke