Patents by Inventor Charles K. Waldman

Charles K. Waldman 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: D244016
    Type: Grant
    Filed: February 23, 1976
    Date of Patent: April 12, 1977
    Inventor: Charles K. Waldman