Patents by Inventor Arthur P. Rinfret

Arthur P. Rinfret 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: 4131200
    Abstract: A thermoplastic bag is formed of laminate edge walls enclosing a fluid storage compartment for holding biologically active material such as blood platelets, and first and second access passageways each with first outer and second inner unfused transverse seals.
    Type: Grant
    Filed: July 6, 1976
    Date of Patent: December 26, 1978
    Assignee: Union Carbide Corporation
    Inventor: Arthur P. Rinfret