Patents by Inventor Leslie U. Fernandez, III

Leslie U. Fernandez, III 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).

  • Multiple filament electric lamp
    Patent number: 4287452
    Abstract: A multiple filament incandescent lightbulb automatically places an unused alternate filament in a closed electric circuit upon rupture of an active filament. The alternate filament is placed in a closed circuit by release of an elastically deformed switching member originally held in place by the active filament.
    Type: Grant
    Filed: December 3, 1979
    Date of Patent: September 1, 1981
    Inventor: Leslie U. Fernandez, III