Patents by Inventor Robert A. Lehrer

Robert A. Lehrer 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).

  • Portable reading light device
    Patent number: 6623141
    Abstract: A portable reading light device utilizing an LEDs as the source of light mounted in a housing having a single lens through which light from the LEDs is projected, the power to the LEDs being controlled by Pulse Width Modulation.
    Type: Grant
    Filed: December 16, 2002
    Date of Patent: September 23, 2003
    Inventor: Robert A. Lehrer
  • Portable reading light device
    Patent number: 6604847
    Abstract: A portable reading light device utilizing an LEDs as the source of light mounted in a housing having a single lens through which light from the LEDs is projected, the power to the LEDs being controlled by Pulse Width Modulation.
    Type: Grant
    Filed: December 28, 2000
    Date of Patent: August 12, 2003
    Inventor: Robert A. Lehrer
  • Portable reading light device
    Publication number: 20030086257
    Abstract: A portable reading light device utilizing an LEDs as the source of light mounted in a housing having a single lens through which light from the LEDs is projected, the power to the LEDs being controlled by Pulse Width Modulation.
    Type: Application
    Filed: December 16, 2002
    Publication date: May 8, 2003
    Inventor: Robert A. Lehrer
  • Portable reading light device
    Publication number: 20020085372
    Abstract: A portable reading light device utilizing an LEDs as the source of light mounted in a housing having a single lens through which light from the LEDs is projected, the power to the LEDs being controlled by Pulse Width Modulation.
    Type: Application
    Filed: December 28, 2000
    Publication date: July 4, 2002
    Inventor: Robert A. Lehrer
  • Portable reading light device
    Patent number: 6290368
    Abstract: A portable reading light device utilizing an LED as the source of light mounted in a housing having a plurality of focusing mirrors mounted therein.
    Type: Grant
    Filed: May 21, 1999
    Date of Patent: September 18, 2001
    Inventor: Robert A. Lehrer
  • Portable reading light device
    Patent number: 5997165
    Abstract: A portable reading light device adapted to be worn about the head of a user or the like. The device utilizes a projection housing adapted to be used as the light source having the terminal end of a fiberoptic mounted therein, the other end extending to a remote lamp unit having a reflector and a light bulb mounted therein.
    Type: Grant
    Filed: April 24, 1997
    Date of Patent: December 7, 1999
    Inventor: Robert A. Lehrer
  • Portable reading light device
    Patent number: 5558428
    Abstract: A portable reading light device worn about the head of a user. The light of the device projects a beam for reading a book or magazine or the like and may be adjustable. The light device may be powered by either a DC battery pack or AC. The light diffuses a beam substantially uniformly over a quadrilateral area so that a book or magazine or the like may be read with comfort.
    Type: Grant
    Filed: September 7, 1994
    Date of Patent: September 24, 1996
    Inventors: Robert A. Lehrer, Kenneth A. Tarlow
  • Head lamp
    Patent number: D362080
    Type: Grant
    Filed: September 8, 1994
    Date of Patent: September 5, 1995
    Inventors: Robert A. Lehrer, Kenneth A. Tarlow