Patents by Inventor Richard M. Berkman

Richard M. Berkman 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: 4022256
    Abstract: A method and means is provided, which permits the transfer of fluids between separate detached containers, in a manner which preserves the sterility of the fluids during and after their transfer.
    Type: Grant
    Filed: September 25, 1975
    Date of Patent: May 10, 1977
    Assignee: California Institute of Technology
    Inventors: Richard M. Berkman, James C. Arnett, Edward L. Cleland