Patents by Inventor Denny WARWICK

Denny WARWICK 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).

  • Laser marking warpage mitigation
    Patent number: 11731445
    Abstract: Techniques are described herein that mitigate warpage during laser marking on a plastic security document. A method of laser marking a feature onto a plastic card includes electronically dividing an image of the feature into a plurality of sections. The method includes laser marking a first one of the sections on the document and laser marking a second one of the sections on the document. The first section is not contiguous with the second section.
    Type: Grant
    Filed: February 7, 2020
    Date of Patent: August 22, 2023
    Assignee: ENTRUST CORPORATION
    Inventor: Denny Warwick
  • LASER MARKING WARPAGE MITIGATION
    Publication number: 20200254804
    Abstract: Techniques are described herein that mitigate warpage during laser marking on a plastic security document. A method of laser marking a feature onto a plastic card includes electronically dividing an image of the feature into a plurality of sections. The method includes laser marking a first one of the sections on the document and laser marking a second one of the sections on the document. The first section is not contiguous with the second section.
    Type: Application
    Filed: February 7, 2020
    Publication date: August 13, 2020
    Inventor: Denny WARWICK