Patents by Inventor Harold E. Alter

Harold E. Alter 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).

  • Lawn game goal
    Patent number: D245931
    Type: Grant
    Filed: August 2, 1975
    Date of Patent: September 27, 1977
    Inventors: Harold E. Alter, Roger W. Alter