Patents by Inventor Marc L. Covitt

Marc L. Covitt 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).

  • Method and apparatus identifying printing supplies
    Publication number: 20030063311
    Abstract: The present disclosure relates to a replaceable printing component for use in a selected printing system. The replaceable printing component includes an electrical storage device configured for storing a data value and an identifier value. The identifier value is derived by encrypting the data value using an encryption process. Upon installation of the replaceable printing component into the selected printing system the selected printing system processes the data value using the encryption process to obtain an encrypted value. The encrypted value is identical to the identifier value if the replaceable printing component is a verified replaceable printing component.
    Type: Application
    Filed: January 22, 2002
    Publication date: April 3, 2003
    Inventors: Marc L. Covitt, Mark McGarry