Patents by Inventor Daniel Davis Warren

Daniel Davis Warren 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).

  • Stamp dispensing apparatus
    Patent number: 4094441
    Abstract: Apparatus for dispensing stamps having a housing including therein magazine means for containing and positioning stamps, suction means for releasably attaching to and withdrawing a stamp from the magazine means, means for actuating the suction means, means for releasing a stamp from the suction means and chute means for receiving the stamp upon release thereof from the suction means.
    Type: Grant
    Filed: November 1, 1976
    Date of Patent: June 13, 1978
    Inventor: Daniel Davis Warren