Patents by Inventor deceased Wilden

deceased Wilden 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).

  • Air driven diaphragm pump
    Patent number: D331412
    Type: Grant
    Filed: November 13, 1989
    Date of Patent: December 1, 1992
    Assignee: Wilden Pump & Engineering Co.
    Inventor: deceased Wilden