Patents by Inventor Dale B. Gerdeman

Dale B. Gerdeman 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: 4167205
    Abstract: A pivotal baffle disposed above or behind drapes so as to define a closed chamber with the walls, windows and drapes when the drapes are drawn to their closed position; thereby preventing room air from circulating past the windows.
    Type: Grant
    Filed: September 15, 1978
    Date of Patent: September 11, 1979
    Inventor: Dale B. Gerdeman