Patents by Inventor Claud E. Lacy

Claud E. Lacy 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 of controlling fluorine doping in soot preforms
    Patent number: 6263706
    Abstract: A method for controlling the refractive index achieved using a fluorine dopant gas, wherein CF4 is employed as the dopant gas, and the soot preform is doped using the CF4 for a time and temperature sufficient to result in a decrease in fluorine dopant nearest the surface which is in contact with the CF4 gas.
    Type: Grant
    Filed: March 30, 1999
    Date of Patent: July 24, 2001
    Inventors: Evelyn M. Deliso, Claud E. Lacy, Deborah L. Marlatt