Patents by Inventor Douglas Robert Richards

Douglas Robert Richards 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).

  • Cartridge comprising an auto-destruct feature
    Patent number: 9791823
    Abstract: A cartridge including a carrier storing an authenticity verification code readable by a scan device other than a host device and an auto-destruct feature to render the authenticity verification code unreadable at installation.
    Type: Grant
    Filed: May 30, 2017
    Date of Patent: October 17, 2017
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Douglas Robert Richards, Scott K. Hymas
  • CARTRIDGE COMPRISING AN AUTO-DESTRUCT FEATURE
    Publication number: 20170262721
    Abstract: A cartridge including a carrier storing an authenticity verification code readable by a scan device other than a host device and an auto-destruct feature to render the authenticity verification code unreadable at installation.
    Type: Application
    Filed: May 30, 2017
    Publication date: September 14, 2017
    Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
    Inventors: Douglas Robert Richards, Scott K. Hymas
  • Cartridge comprising an auto-destruct feature
    Patent number: 9709923
    Abstract: A cartridge including an interconnect circuit to communicate with a host device, a carrier storing an authenticity verification code readable by a scan device other than the host device, and an auto-destruct feature to render the authenticity verification code unreadable when installing the cartridge in the host device.
    Type: Grant
    Filed: August 28, 2013
    Date of Patent: July 18, 2017
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Douglas Robert Richards, Scott K. Hymas
  • CARTRIDGE COMPRISING AN AUTO-DESTRUCT FEATURE
    Publication number: 20160266514
    Abstract: A cartridge including an interconnect circuit to communicate with a host device, a carrier storing an authenticity verification code readable by a scan device other than the host device, and an auto-destruct feature to render the authenticity verification code unreadable when installing the cartridge in the host device.
    Type: Application
    Filed: August 28, 2013
    Publication date: September 15, 2016
    Applicant: Hewlett-Packard Development Company, L.P.
    Inventors: Douglas Robert Richards, Scott K. Hymas