Patents by Inventor Alan R. Boate

Alan R. Boate 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).

  • Security device comprising optically variable data and method for making the same
    Patent number: 5271644
    Abstract: A security-printing device comprising: (i) a substrate; (ii) a toner image adhered to said substrate; and, (iii) a layer of an optically variable material adhered solely to said toner image, whereby said optically variable material is selected to provide a distinct visual appearance and is not readily reproducible or readily available in the general market-place.
    Type: Grant
    Filed: August 29, 1991
    Date of Patent: December 21, 1993
    Assignee: Canadian Bank Note Company, Limited
    Inventors: Trevor Merry, Alan R. Boate
  • Latent images comprising phase shifted micro printing
    Patent number: 5178418
    Abstract: A security device comprising a substrate having applied thereto an array of characters, the characters being of a sufficiently small size as to appear uniform when ordinarily viewed but individually identifiable when viewed with the aid of appropriate magnification means, whereby group(s) of the characters are phase-shifted relative to the others in such a manner as to collectively define an image, the image being relatively indiscernible when the device is ordinarily viewed but discernible when viewed with the aid of a finding screen.
    Type: Grant
    Filed: June 25, 1991
    Date of Patent: January 12, 1993
    Assignee: Canadian Bank Note Co., Ltd.
    Inventors: Trevor Merry, Alan R. Boate