Patents by Inventor Joseph D. Bologna

Joseph D. Bologna 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).

  • Keyboard guide
    Patent number: D242877
    Type: Grant
    Filed: January 27, 1975
    Date of Patent: December 28, 1976
    Inventor: Joseph D. Bologna