Patents by Inventor John T. Gianfagna

John T. Gianfagna 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).

  • Videocassette flange with time available gauge
    Patent number: 5370332
    Abstract: A reel flange for a magnetic tape cassette reel has apertures for viewing the tape on the reel. The apertures provide a system for visually estimating the quantity of tape contained on the reel. The flange provides the combined advantages of greater choice of materials for making the flange and improved accuracy in estimating the quantity of tape contained on the reel.
    Type: Grant
    Filed: November 18, 1993
    Date of Patent: December 6, 1994
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Dewain R. Goff, Kim R. Olson, John T. Gianfagna
  • Tape cartridge
    Patent number: D363066
    Type: Grant
    Filed: June 15, 1994
    Date of Patent: October 10, 1995
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Robert W. Tapani, John T. Gianfagna
  • Tape cartridge
    Patent number: D366059
    Type: Grant
    Filed: November 14, 1994
    Date of Patent: January 9, 1996
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: James J. Evanoff, Sten R. Gerfast, John T. Gianfagna, LeRoy A. Kuta, Robert W. Tapani
  • Data storage tape cartridge
    Patent number: D412326
    Type: Grant
    Filed: July 22, 1998
    Date of Patent: July 27, 1999
    Assignee: Imation Corp.
    Inventors: John T. Gianfagna, Leslie M. Collins, Randolph L. Carlson, Gregory H. Johnson, Steven R. Seeman