Patents by Inventor Richard D. Strahman

Richard D. Strahman 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).

  • Plural fluids delivery system
    Patent number: 4089470
    Abstract: Toward apparatus for providing selectively a stream of one or a combination of first and second fluids is disclosed to include independent storage means for the fluids, pressure generating means for the respective fluids, atmospheric break means to preclude backwash of fluids and mixing means for selectively mixing the fluids as desired for delivery to a site.
    Type: Grant
    Filed: November 9, 1976
    Date of Patent: May 16, 1978
    Assignee: Strahman Valves, Inc.
    Inventor: Richard D. Strahman