Patents by Inventor Stephen D. Crawley

Stephen D. Crawley 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).

  • Fixture for cutting a groove in window foam spacers
    Patent number: D346540
    Type: Grant
    Filed: December 21, 1992
    Date of Patent: May 3, 1994
    Assignee: Lake Country Sales, Inc.
    Inventor: Stephen D. Crawley
  • Muntin end connector
    Patent number: D350064
    Type: Grant
    Filed: November 10, 1992
    Date of Patent: August 30, 1994
    Assignee: Lake Country Sales, Inc.
    Inventor: Stephen D. Crawley