Patents by Inventor Sylvia Walsh

Sylvia Walsh 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).

  • Grading stake with indicator flag
    Patent number: 5501170
    Abstract: A grading stake with an indicator flag wherein the grading stake is constructed with a pointed stake member with a top end and a bundle of colored filaments fastened at one end to the top end of the stake member by a tape wrap of high-strength tape wound around the end of the bundle of colored filaments and the top end of the stake member.
    Type: Grant
    Filed: June 17, 1994
    Date of Patent: March 26, 1996
    Inventor: Sylvia Walsh