Patents by Inventor Lawrence W. Patterson

Lawrence W. Patterson 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).

  • Lap desk
    Patent number: 5833200
    Abstract: A portable lap desk which is readily selectively adjustable in the height of the desk over the user's lap and includes a desk top which is readily selectively adjustable in tilt relative to the user.
    Type: Grant
    Filed: January 23, 1996
    Date of Patent: November 10, 1998
    Assignee: The Lawrence W. Patterson Trust
    Inventor: Lawrence W. Patterson
  • Laptop desk
    Patent number: 5598786
    Abstract: A portable laptop table which is readily selectively adjustable in the height of the table over the user's lap.
    Type: Grant
    Filed: January 18, 1995
    Date of Patent: February 4, 1997
    Inventor: Lawrence W. Patterson
  • Lap desk
    Patent number: D404219
    Type: Grant
    Filed: June 2, 1998
    Date of Patent: January 19, 1999
    Assignee: Lawrence W. Patterson Trust
    Inventor: Lawrence W. Patterson