Patents by Inventor Minh Van Pham

Minh Van Pham 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).

  • Pneumatic assisted flushing apparatus for toilets
    Patent number: 4232409
    Abstract: Presented is an apparatus for use in conjunction with a toilet of the flush-type which utilizes a charge of compressed air in conjunction with a low volume of water to discharge waste products from a toilet fixture.
    Type: Grant
    Filed: August 21, 1978
    Date of Patent: November 11, 1980
    Inventor: Minh Van Pham