Patents by Inventor W. James Chamberlain

W. James Chamberlain 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).

  • Adjustable bed sheet
    Patent number: 5046207
    Abstract: A bed sheet which includes an elastic band sewn to the periphery of the sheet. A drawstring fitted inside the band allows the sheet to be drawn tight about mattresses of varying sizes and shapes.
    Type: Grant
    Filed: December 21, 1990
    Date of Patent: September 10, 1991
    Assignee: Coachmen Industries, Inc.
    Inventor: W. James Chamberlain