Patents by Inventor Daniel H. Hamilton

Daniel H. Hamilton 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).

  • Framed calendar holder
    Patent number: 6574894
    Abstract: A calendar holder for dual panel folding calendars includes a peripheral frame for receiving the calendar, a lower slot for supporting the bottom calendar panels, an upper slot for supporting the upper calendar panels, and a mounting peg at the upper slot that extends through perforations in the upper panels to independently hang the calendar within the frame.
    Type: Grant
    Filed: August 27, 2001
    Date of Patent: June 10, 2003
    Inventor: Daniel H. Hamilton