Patents by Inventor Harold W. Cramer

Harold W. Cramer 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: D262419
    Type: Grant
    Filed: December 31, 1979
    Date of Patent: December 29, 1981
    Inventor: Harold W. Cramer