Patents by Inventor Robert Lievin

Robert Lievin 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).

  • Bicycle lamp device
    Patent number: 4845599
    Abstract: A bicycle lamp device comprises a concave reflector (1), and a light source disposed substantially of the focus of said reflector and constituted by the filament (7) of a bulb (5). Said reflector had at least one window (10) in its surface enabling a secondary beam to be emitted from said source, and the device is characterized by the fact that said reflector further includes at least one secondary mirror (9) fixed to the edge (8) of its inside face, and oriented in such a manner as to send rays from said source through said window (10), thereby increasing the solid angle of said secondary beam.
    Type: Grant
    Filed: December 10, 1987
    Date of Patent: July 4, 1989
    Assignee: Cipel & Les Piles Wonder
    Inventor: Robert Lievin
  • Casing for an electric lamp
    Patent number: D251632
    Type: Grant
    Filed: November 19, 1976
    Date of Patent: April 17, 1979
    Assignee: Societe les Piles Wonder
    Inventor: Robert Lievin
  • Flashlight
    Patent number: D277612
    Type: Grant
    Filed: May 13, 1981
    Date of Patent: February 12, 1985
    Assignee: Societe les Piles Wonder
    Inventor: Robert Lievin