Patents by Inventor Shirley D. Hoops

Shirley D. Hoops 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: D336662
    Type: Grant
    Filed: October 21, 1991
    Date of Patent: June 22, 1993
    Inventors: Linda S. Smith, Delbert W. Smith, Marvin L. David, Shirley D. Hoops