Patents by Inventor Roger D. Knell

Roger D. Knell 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).

  • Patent number: 5987812
    Abstract: A plant stand system 10 for growing plants from seedlings and for growing and storing indoor plants includes a frame assembly 12 having first and second T-shaped support assemblies 14, 16, first and second generally L-shaped light arms 64, 66, and at least one pair of tray brackets 84 secured to the T-shaped support assemblies 14, 16. The plant stand system 10 further includes at least one plant tray 94, and a plurality of flexible chain members 96, and at least one light fixture 104 connected to the flexible members 96. The light fixture 104 and tray 94 is easily adjustable and access to the plant tray 94 is convenient from all sides of the plant stand 10 system.
    Type: Grant
    Filed: September 29, 1997
    Date of Patent: November 23, 1999
    Assignee: Stem Systems, Inc.
    Inventor: Roger D. Knell
  • Patent number: D402129
    Type: Grant
    Filed: September 29, 1997
    Date of Patent: December 8, 1998
    Assignee: Stem Systems Inc.
    Inventor: Roger D. Knell