Patents by Inventor Kenneth R. Stutelberg

Kenneth R. Stutelberg 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).

  • Stackable flower pot
    Patent number: 4057931
    Abstract: A molded stackable flower pot provided with an annular rim adjacent the bottom thereof, which supports the pot so that the bottom surface is spaced upwardly from a surface supporting the pot. The rim has a plurality of apertures defined therein positioned so that the apertures will received peripheral upper edge portions of two other similar flower pots so that pots can be supported in a stacked and interlocked relationship to each other.
    Type: Grant
    Filed: November 20, 1974
    Date of Patent: November 15, 1977
    Assignee: National Polymers, Inc.
    Inventors: Kenneth R. Stutelberg, Dennis C. Anderson
  • Horticultural tray
    Patent number: D248935
    Type: Grant
    Filed: March 26, 1976
    Date of Patent: August 15, 1978
    Assignee: National Polymers, Inc.
    Inventors: Kenneth R. Stutelberg, Dennis C. Anderson