Patents by Inventor Antonio Mantegazza

Antonio Mantegazza 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).

  • Magnetic ink medium and corresponding reading unit, and method for using same
    Patent number: 5196681
    Abstract: The magnetic ink medium includes a plurality of magnetic regions which have diversifiable magnetic intensity and are mutually separated by spaces. At least one first part of the regions has a magnetic coercivity which differs from the remaining regions of the plurality of regions, in order to obtain at least two different readouts of the same plurality of regions upon applying different magnetic fields for orientating the plurality of regions.
    Type: Grant
    Filed: November 27, 1989
    Date of Patent: March 23, 1993
    Assignee: Mantegazza Antonio Arti Grafiche S.r.l.
    Inventor: Antonio Mantegazza
  • Document with forgery-prevention means
    Patent number: 5190318
    Abstract: The document, particularly of the check type, with forgery-prevention means, includes a sheet-like element which has at least one portion for writing indications. In the at least one indication-writing portion, regions made of magnetic material spaced by magnetically blank portions are provided so as to define a code which can be detected by a magnetic reading head. The regions made of magnetic material are impressed with a magnetic material which can be erased by chemical and/or mechanical action.
    Type: Grant
    Filed: June 17, 1991
    Date of Patent: March 2, 1993
    Assignee: Engimpex Ltd.
    Inventor: Antonio Mantegazza