Patents by Inventor Paul Stuart Citrin

Paul Stuart Citrin 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).

  • Method and apparatus for transferring liquid
    Patent number: 4058146
    Abstract: A system for accurately transferring similar small amounts of liquid from a multiplicity of containers to a corresponding multiplicity of wells in a microtitration test plate includes a multiplicity of conduits leading from a pressure chamber enclosing the containers and to which conduits the containers are individually automatically connected when the containers are loaded into the system, the conduits leading to a pinch type dispensing valve disposed above the test tray.
    Type: Grant
    Filed: July 11, 1975
    Date of Patent: November 15, 1977
    Assignee: Dynatech Laboratories Incorporated
    Inventor: Paul Stuart Citrin