Patents by Inventor Gordon E. Fleig

Gordon E. Fleig 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).

  • Smooth-surfaced phosphor screen
    Patent number: 5653830
    Abstract: A phosphor screen with a smooth-surfaced phosphor layer is formed by casting a phosphor layer in liquid form on a sheet to which the layer adheres without bonding. The exposed surface of the layer is then solidified and bonded to a permanent substrate. The sheet on which the phosphor has been cast is then removed, leaving a smooth exposed surface, which may then be covered with a transparent protective layer.
    Type: Grant
    Filed: June 28, 1995
    Date of Patent: August 5, 1997
    Assignee: Bio-Rad Laboratories, Inc.
    Inventors: Gordon E. Fleig, Donald E. Gueffroy
  • Protective overlayer for phosphor imaging screen
    Patent number: 5466947
    Abstract: A stimulable phosphor having a plasma-deposited protective coating comprising a substantially continuous, protective coating which conforms substantially to the surface of the stimulable phosphor. In a preferred embodiment, the coating has a thickness of between about 0.10 and about 1.0 .mu.m, and provides a thinner coating having greater sensitivity to radiation emitted from weak radioactive labels than conventional screen protective coatings, but with effective protection from moisture and physical damage.
    Type: Grant
    Filed: March 18, 1994
    Date of Patent: November 14, 1995
    Assignee: Bio-Rad Laboratories, Inc.
    Inventors: Gordon E. Fleig, Donald E. Gueffroy
  • Growth of cells in hollow fibers in an agitated vessel
    Patent number: 5162225
    Abstract: Hollow fiber structures for culturing mammalian cells in an agitated media are disclosed. These hollow fibers have a cylindrical wall surrounding a lumen preferably open at opposite ends of the fiber and have a length along the axis parallel to the lumen of not more than 5 centimeters. Hollow fiber structures which have their exterior surface coated to prevent cell attachment and growth thereon are also disclosed.
    Type: Grant
    Filed: July 15, 1991
    Date of Patent: November 10, 1992
    Assignee: The Dow Chemical Company
    Inventors: Bill C. Sager, Melvin Rothberg, Roger B. Hornby, Jeffrey D. Michalowski, David J. Forgach, Gordon E. Fleig