Patents by Inventor Richard W. Wilhelm

Richard W. Wilhelm 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: 6578913
    Abstract: A compact package comprised of a collapsible seat and climbing aid for advantageous use with a tree stand. The climbing aid comprises a generally H-shaped frame with two hand grips projecting orthogonally out of plane of the frame. One rectangular housing is attached to each vertical upright member of the frame and locking screws engage portions of a supporting cable to adjust the size of loop for encircling an element to be climbed. A collapsible seat has an L-shaped frame sized to fit within the vertical uprights of the climbing aid and a securing nut positions a pivotable frame of the collapsible seat in either a first stored position or a second erect position. The securing nut also fastens the climbing aid to the tree stand when the seat is in the stored position.
    Type: Grant
    Filed: July 27, 2001
    Date of Patent: June 17, 2003
    Inventor: Richard W. Wilhelm
  • Publication number: 20030020316
    Abstract: A compact package comprised of a collapsible seat and climbing aid for advantageous use with a tree stand. The climbing aid comprises a generally H-shaped frame with two hand grips projecting orthogonally out of plane of the frame. One rectangular housing is attached to each vertical upright member of the frame and locking screws engage portions of a supporting cable to adjust the size of loop for encircling an element to be climbed. A collapsible seat has an L-shaped frame sized to fit within the vertical uprights of the climbing aid and a securing nut positions a pivotable frame of the collapsible seat in either a first stored position or a second erect position. The securing nut also fastens the climbing aid to the tree stand when the seat is in the stored position.
    Type: Application
    Filed: July 27, 2001
    Publication date: January 30, 2003
    Inventor: Richard W. Wilhelm