Patents by Inventor Doyt J. Williamson

Doyt J. Williamson 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).

  • Quick connector for a dryer duct and external vent
    Patent number: 5584129
    Abstract: A quick connector assembly having a conical end section, a collar, and a cylindrical sleeve section attached to an external vent system for easy and quick connection of a dryer vent exhaust system employing rigid tubing and an external vent.
    Type: Grant
    Filed: February 13, 1995
    Date of Patent: December 17, 1996
    Inventor: Doyt J. Williamson