Patents by Inventor Charles T. Waltman

Charles T. Waltman 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).

  • Electric timer
    Patent number: D282530
    Type: Grant
    Filed: June 13, 1983
    Date of Patent: February 11, 1986
    Assignee: Intermatic Incorporated
    Inventor: Charles T. Waltman