Patents by Inventor James Randy Stigall

James Randy Stigall 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: 6459955
    Abstract: An autonomously movable cleaning robot comprising a platform and motive force to autonomously move the robot on a substantially horizontal surface having boundaries. The robot further has a computer processing unit for storing, receiving and transmitting data, and a cleaning implement operatively associated with the robot. The robot receives input data from an external source. The external source may be physical manipulation of the robot, remote control, or by triangulation from at least three external transmitters.
    Type: Grant
    Filed: November 17, 2000
    Date of Patent: October 1, 2002
    Assignee: The Procter & Gamble Company
    Inventors: Eric Richard Bartsch, Charles William Fisher, Paul Amaat France, James Frederick Kirkpatrick, Gary Gordon Heaton, Thomas Charles Hortel, Arseni Velerevich Radomyselski, James Randy Stigall