Patents by Inventor Frank R. Kobee

Frank R. Kobee 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).

  • Extruder for plastic materials
    Patent number: 4005962
    Abstract: An extruding machine for the extrusion of plastic or other similar materials in variegated forms comprising a series of bar members spaced from one another, wherein said bar members form by their interstitial spaces the extrusion chambers; said bar members having heating elements integrally disposed therein for the purpose of heating, to an amorphous state, the plastic material placed on and contacting the upper surface of said bars for extrusion into a receptacle beneath the bars.
    Type: Grant
    Filed: December 4, 1974
    Date of Patent: February 1, 1977
    Inventor: Frank R. Kobee
  • Garden border unit
    Patent number: D257064
    Type: Grant
    Filed: September 15, 1978
    Date of Patent: September 23, 1980
    Inventor: Frank R. Kobee
  • Woodwork connecting joint
    Patent number: D285649
    Type: Grant
    Filed: January 6, 1984
    Date of Patent: September 16, 1986
    Assignee: Trend Carolina Textiles, Inc.
    Inventor: Frank R. Kobee