Patents by Inventor Richard A. Rybak

Richard A. Rybak 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: 4999875
    Abstract: An elastomeric cap fitted to a circular valve handle of a fluid shut-off valve comprises a polygonal solid ring structure having an open center and containing a plurality of radially directed sockets molded in the ring structure. The sockets are adapted to engage circumferentially spaced peripheral lobes of the circular valve handle.
    Type: Grant
    Filed: December 14, 1989
    Date of Patent: March 19, 1991
    Assignee: Markers, Inc.
    Inventor: Richard A. Rybak
  • Patent number: 4787601
    Abstract: The invention pertains to decorative border fence system comprising a ground anchor, a vertical posted fitted into the ground anchor but adapted to be easily removed therefrom, where the border fence system comprises a plurality ground anchor with fitted vertical posts. If desired, the fence system can include intervening chain-links means interconnected between adjacent vertical posts.
    Type: Grant
    Filed: February 4, 1987
    Date of Patent: November 29, 1988
    Assignee: Markers, Inc.
    Inventor: Richard A. Rybak
  • Patent number: D308937
    Type: Grant
    Filed: February 4, 1987
    Date of Patent: July 3, 1990
    Assignee: Markers, Inc.
    Inventor: Richard A. Rybak