Patents by Inventor Douglass A. Schroeder

Douglass A. Schroeder 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: D409405
    Type: Grant
    Filed: January 30, 1998
    Date of Patent: May 11, 1999
    Assignee: HON Technology Inc.
    Inventors: Craig H. Schultz, Douglass A. Schroeder