Patents by Inventor Lenoard V. Dullea

Lenoard V. Dullea 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 coating phosphors on fluorescent lamp glass
    Patent number: 5314723
    Abstract: In process for forming a coating of phosphor particles on a fluorescent lamp glass, a polymer is deposited on the phosphor particles and the phosphor particles are entrained in a carrier gas with the polymer in a non-adhering state, and then the phosphor particles are coated on the fluorescent lamp glass with the polymer in an adhering state for retaining the phosphor particles on the fluorescent glass and, the coated fluorescent glass is heated to a temperature above the decomposition temperature of the polymer for removing the polymer and to form a coating of phosphor particles on a fluorescent lamp glass.
    Type: Grant
    Filed: June 9, 1992
    Date of Patent: May 24, 1994
    Assignee: GTE Products Corporation
    Inventors: Arunava Dutta, Lenoard V. Dullea