Patents by Inventor Michael Cannizzaro

Michael Cannizzaro 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).

  • Multi-column printing calculator
    Patent number: 5243550
    Abstract: A printing calculator is provided which can store data and print the stored data, together with the total of the data on a selected form. The calculator can store and print data in two fields for deposit slips, and can store and print data in three fields for bill, invoices, receipts, and the like. When there is more than one field of data, the calculator will total the data in a selected field. Capability is provided for sorting the data and printing according to the sort. Furthermore, displaying and editing capability is provided.
    Type: Grant
    Filed: December 10, 1992
    Date of Patent: September 7, 1993
    Inventor: Michael Cannizzaro