Patents by Inventor David Woodrow Leong

David Woodrow Leong 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).

  • Automatic document feeder
    Patent number: D460477
    Type: Grant
    Filed: October 22, 2001
    Date of Patent: July 16, 2002
    Assignee: Hewlett-Packard Company
    Inventors: David Woodrow Leong, Ronald J. Kaplan, Scott F. Williams
  • Auxiliary sheet feeder unit
    Patent number: D462381
    Type: Grant
    Filed: October 22, 2001
    Date of Patent: September 3, 2002
    Assignee: Hewlett-Packard Company
    Inventors: David Woodrow Leong, Juan M. Jimenez
  • Combination printer, facsimile, copier and scanner
    Patent number: D462971
    Type: Grant
    Filed: October 22, 2001
    Date of Patent: September 17, 2002
    Assignee: Hewlett-Packard Company
    Inventors: David Woodrow Leong, George Franklin Nasworthy, Jr., John Herman Arterberry