Patents by Inventor Charles W. Andress

Charles W. Andress 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).

  • Metal arc director for compact fluorescent lamp
    Patent number: 4575344
    Abstract: Compact fluorescent lamps employ metal arc directors formed from suitable material, such as steel. The steel parts are vacuum fired to degas same prior to assembly in the lamps.
    Type: Grant
    Filed: February 4, 1985
    Date of Patent: March 11, 1986
    Assignee: GTE Products Corporation
    Inventors: Andre C. Bouchard, Jakob Maya, Fred Loughridge, Charles W. Andress, Julian Wierzbicki
  • Metal arc director for compact fluorescent lamp
    Patent number: 4527088
    Abstract: Compact fluorescent lamps employ metal arc directors formed from suitable material, such as steel. The steel parts are vacuum fired to degas same prior to assembly in the lamps.
    Type: Grant
    Filed: April 1, 1983
    Date of Patent: July 2, 1985
    Assignee: GTE Products Corporation
    Inventors: Andre C. Bouchard, Jakob Maya, Fred Loughridge, Charles W. Andress, Julian Wierzbicki