Patents by Inventor David Ian Tempest

David Ian Tempest 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 sheet and a security booklet
    Patent number: 11745533
    Abstract: The present invention is directed towards a security sheet and a security booklet comprising a security sheet. The present invention is further directed towards manufacturing a security sheet and security booklet and a method of authenticating a security booklet. The security sheet comprises a plastic substrate having first and second outer surfaces, at least one opaque region at least partially surrounding at least one window and perforations extending between the first and second outer surfaces. The perforations form a first data element located partially in the at least one window and partially in the at least one opaque region.
    Type: Grant
    Filed: July 29, 2019
    Date of Patent: September 5, 2023
    Assignee: HID CID LIMITED
    Inventor: David Ian Tempest
  • A SECURITY SHEET AND A SECURITY BOOKLET
    Publication number: 20210339556
    Abstract: The present invention is directed towards a security sheet and a security booklet comprising a security sheet. The present invention is further directed towards manufacturing a security sheet and security booklet and a method of authenticating a security booklet. The security sheet comprises a plastic substrate having first and second outer surfaces, at least one opaque region at least partially surrounding at least one window and perforations extending between the first and second outer surfaces. The perforations form a first data element located partially in the at least one window and partially in the at least one opaque region.
    Type: Application
    Filed: July 29, 2019
    Publication date: November 4, 2021
    Inventor: David Ian Tempest