Patents by Inventor Henry F. Walling

Henry F. Walling 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).

  • Back washing scrubbing device
    Patent number: D283261
    Type: Grant
    Filed: March 18, 1982
    Date of Patent: April 1, 1986
    Inventor: Henry F. Walling
  • Window latch
    Patent number: D296868
    Type: Grant
    Filed: July 23, 1986
    Date of Patent: July 26, 1988
    Inventor: Henry F. Walling
  • Vehicle tail gate step
    Patent number: D296887
    Type: Grant
    Filed: December 29, 1986
    Date of Patent: July 26, 1988
    Inventors: Henry F. Walling, Gracie L. Walling
  • Radial aeroplane
    Patent number: D312067
    Type: Grant
    Filed: July 17, 1987
    Date of Patent: November 13, 1990
    Inventor: Henry F. Walling
  • Window latch
    Patent number: D324988
    Type: Grant
    Filed: February 22, 1990
    Date of Patent: March 31, 1992
    Inventor: Henry F. Walling