Patents by Inventor Howard B. Bliss

Howard B. Bliss 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).

  • Secure passport document and method of making the same
    Patent number: 5211424
    Abstract: A machine readable passport document contains an unbound data page mounted in the document in a secure and tamper-resistant manner. The data page is printed as a separate sheet and contains a photographic image, bearer identification data and machine readable data, all imprinted on a single paper surface. The data page is mounted within the document by means of a heat activatable adhesive and is covered by a transparent sheet.An improved method of assembling a passport document includes the use of a folder having a transparent sheet and a dry adhesive sheet. The data page is placed in the folder which is inserted into a bound passport booklet. The booklet is then heated and compressed to mount the data page in the document. Visa data pages are mounted in the same manner.
    Type: Grant
    Filed: August 15, 1991
    Date of Patent: May 18, 1993
    Assignee: PRC Inc.
    Inventor: Howard B. Bliss