Patents by Inventor Curtis E. Wolff

Curtis E. Wolff 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: 5050828
    Abstract: A removable sign post is described comprising a metal lower post member which is driven into the ground with an upper post member being selectively vertically adjustably mounted thereon. The upper post member has a pair of locking lugs at its lower end which extend through a pair of openings formed in the lower post member and which are secured thereto by means of a locking bar. The upper post member includes at least a pair of vertically spaced projections extending therefrom which are adapted to pierce a sign member positioned thereon and to maintain the same thereon.
    Type: Grant
    Filed: April 17, 1990
    Date of Patent: September 24, 1991
    Inventor: Curtis E. Wolff