Patents by Inventor L. L. Hench

L. L. Hench 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).

  • Process of making channel waveguides in gel-silica
    Patent number: 5634955
    Abstract: Optical waveguides are produced in laser densified Type VI porous gel-silica. A CO.sub.2 laser directly scans the substrate having a pore size of about 30 angstroms. Tracks having a width of about 50 microns are produced.
    Type: Grant
    Filed: February 13, 1995
    Date of Patent: June 3, 1997
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventors: F. G. Araujo, T. Chia, L. L. Hench