Patents by Inventor Edwin A. Houser

Edwin A. Houser 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).

  • Sample cell
    Patent number: 4448311
    Abstract: A sample cell useful in analytical devices employing X-ray fluorescence as the detection method. The sample cell includes a cup which telescopically receives a ring. A radiation permeable membrane is sandwiched between the outside of the cup and the inside of the ring so as to be tightly stretched across the cup. The cup and ring are both molded from virgin polyethylene mixed with a silicone oil.
    Type: Grant
    Filed: January 24, 1983
    Date of Patent: May 15, 1984
    Assignee: Tech Ref, Inc.
    Inventor: Edwin A. Houser