Patents by Inventor James R. Stevens

James R. Stevens 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: 8185101
    Abstract: Portable handheld real-time tracking and communications devices include; a controller module, communications module including global positioning and mesh network radio module, data transfer and storage module, and a user interface module enclosed in a water-resistant enclosure. Real-time tracking and communications devices can be used by protective force, security and first responder personnel to provide situational awareness allowing for enhance coordination and effectiveness in rapid response situations. Such devices communicate to other authorized devices via mobile ad-hoc wireless networks, and do not require fixed infrastructure for their operation.
    Type: Grant
    Filed: February 19, 2009
    Date of Patent: May 22, 2012
    Assignee: Sandia Corporation
    Inventors: James M. Wiseman, Loren E. Riblett, Jr., Karl L. Green, John A. Hunter, Robert N. Cook, III, James R. Stevens
  • Patent number: 4953757
    Abstract: A truck rack mounted over the cab allows for front loading. A ramp lowers down to allow for easy loading. A winch and pulley can be provided for easing the actual lifting of the load along the ramp. The ramp lifts back up to hold the load in place above the cab.
    Type: Grant
    Filed: June 14, 1989
    Date of Patent: September 4, 1990
    Inventors: James R. Stevens, Jodi Stevens