Patents by Inventor Keith Ernest Handford

Keith Ernest Handford 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).

  • HOLDING DEVICE FOR OPTICAL ELEMENT
    Publication number: 20140065303
    Abstract: A support apparatus for coating optical surfaces has a platen having one or more holes, wherein each of the one or more holes in the platen is featured to seat one or more edges of an optical element against the platen during surface coating, wherein the platen is formed of a machinable glass ceramic.
    Type: Application
    Filed: March 11, 2013
    Publication date: March 6, 2014
    Inventors: Robert Dennis Grejda, Keith Ernest Handford