Patents by Inventor Michael W. Dong

Michael W. Dong 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).

  • Apparatus for periodically monitoring the composition of a plurality of samples
    Patent number: 4678639
    Abstract: An apparatus for periodically monitoring the composition of a plurality of samples includes a plurality of stationary flow-through sample vials through which sample fluid is periodically passed. A sampling probe withdraws fluid from the vial for subsequent analysis.
    Type: Grant
    Filed: March 2, 1984
    Date of Patent: July 7, 1987
    Assignee: The Perkin-Elmer Corporation
    Inventors: Michael W. Dong, Stanley K. Yarbro, Frank Vandermark