Patents by Inventor Raymond S. B. Perry

Raymond S. B. Perry 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).

  • Roof air vent
    Patent number: 3938429
    Abstract: A roof air vent having rails mountable about an opening in a roof for forming a support bracket for one or more perforated panels. A pair of the rails are parallel to one another for forming tracks in which the panels are inserted.
    Type: Grant
    Filed: September 19, 1971
    Date of Patent: February 17, 1976
    Assignee: Plastic Components, Inc.
    Inventor: Raymond S. B. Perry