Patents by Inventor Douglas William Walker

Douglas William Walker 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).

  • Powered surgical screwdriver
    Patent number: D534651
    Type: Grant
    Filed: April 1, 2004
    Date of Patent: January 2, 2007
    Assignee: Kinamed, Inc.
    Inventors: Robert A. Bruce, Douglas William Walker