Patents by Inventor David Locke Williams

David Locke Williams 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).

  • Adjustable freight gate assembly
    Patent number: 6722829
    Abstract: A freight gate assembly (10) for retaining freight in a trailer (11) or van includes: (a) a track system (12) including at least two matching tracks (18), each of the tracks being affixable to opposite, longitudinal side walls (19) of the trailer, each of the tracks (18) including a longitudinally oriented channel (24) and a plurality of spaced-apart, substantially same-sized notches (25), the notches (25) being accessible from the channel (24); and (b) a freight gate restraining system (13) including at least one adjustable gate rail (32), each gate rail (32) having a first end including a latching mechanism (33) for detachably latching the first end of the gate rail (32) to a first one of the tracks (18) by means of the notches, and an opposite, second end including a joint mechanism (34) that is slidably movable along the second track by means of the notches (25) in the second track (18); wherein the adjustable gate rail (32) is substantially perpendicular to the tracks (18) when it is in a closed posit
    Type: Grant
    Filed: June 18, 2002
    Date of Patent: April 20, 2004
    Inventor: David Locke Williams
  • Adjustable freight gate assembly
    Publication number: 20030231938
    Abstract: A freight gate assembly (10) for retaining freight in a trailer (11) or van includes:
    Type: Application
    Filed: June 18, 2002
    Publication date: December 18, 2003
    Inventor: David Locke Williams