Patents by Inventor Mark Burkhart

Mark Burkhart 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).

  • Patent number: 6550678
    Abstract: Optical data card and reader system for recording data in which the card has approximately the dimensions of a credit card, the card having a laser readable layer comprising plural tracks of light-detectable indicia arranged in an angular or X-Y grid, and a laser reader therefor being adapted to scan the tracks by relative angular or X-Y movement between the laser and the card.
    Type: Grant
    Filed: June 9, 2000
    Date of Patent: April 22, 2003
    Assignee: Magnecomp Corporation
    Inventors: Albert Ong, Mark Burkhart