Patents by Inventor Eric L. Mager

Eric L. Mager 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).

  • Fluorescent lamp having two phosphor layers
    Patent number: 4678966
    Abstract: A fluorescent lamp has two layers of different phosphors, the underlying phosphor serving to improve the maintenance of the overlying phosphor.
    Type: Grant
    Filed: June 13, 1980
    Date of Patent: July 7, 1987
    Assignee: GTE Products Corporation
    Inventor: Eric L. Mager
  • Method of coating arc discharge lamp electrode
    Patent number: 4251569
    Abstract: An arc discharge lamp electrode is coated by applying thereto a suspension of alkaline earth compounds in a liquid vehicle of lignosulfonic acid, ammonia and ethylene glycol.
    Type: Grant
    Filed: October 22, 1975
    Date of Patent: February 17, 1981
    Assignee: GTE Products Corporation
    Inventors: Eric L. Mager, Willy P. Schreurs
  • Self-limiting board game combining chance and skill
    Patent number: 4129304
    Abstract: Board game apparatus comprising a supply of chips associated with each player for wagering, and a game board including a plurality of locations arranged thereon forming a game movement area, the locations allowing the wagered chips to be located thereon. Further included are apparatus for setting a quantity of the chips to be wagered, and for randomly choosing a location on the game board for the chips; and a plurality of playing pieces representing the individual players for moving around the locations to capture the chips.
    Type: Grant
    Filed: July 25, 1977
    Date of Patent: December 12, 1978
    Inventor: Eric L. Mager
  • Fluorescent lamp having improved phosphor coating
    Patent number: 3973691
    Abstract: A fluorescent lamp has a phosphor coating on the inner surface of its glass envelope. The phosphor coating contains a small amount of barium carbonate admixed therewith. The barium carbonate improves the light output maintenance of the lamp.
    Type: Grant
    Filed: October 21, 1974
    Date of Patent: August 10, 1976
    Assignee: GTE Sylvania Incorporated
    Inventor: Eric L. Mager