Patents by Inventor Donald E. Richert

Donald E. Richert 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).

  • Fire extinguisher housing
    Patent number: D250377
    Type: Grant
    Filed: April 15, 1977
    Date of Patent: November 28, 1978
    Inventors: Arthur R. Dooley, Arthur R. Dooley, Jr., Donald E. Richert