Patents by Inventor Roderick Gordon Lester Barnes

Roderick Gordon Lester Barnes 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).

  • Cathode ray tube containing a manganese activated rare earth fluoride luminescent material
    Patent number: 4122370
    Abstract: A luminescent material comprising a rare earth fluoride host activated with manganese. The material also may include another element such as titanium or zirconium. The material may be used as a coating on the face plate of a cathode ray tube.
    Type: Grant
    Filed: August 31, 1977
    Date of Patent: October 24, 1978
    Assignee: Johnson, Matthey & Co., Limited
    Inventor: Roderick Gordon Lester Barnes