Patents by Inventor John A. Laurent

John A. Laurent 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).

  • Newspaper vending machine
    Patent number: 4389000
    Abstract: A newspaper vending machine having a vertically movable inclined platform supporting a group of newspapers, a stationary dispensing wedge having an inclined upper surface, a drive shaft operatively connected to the platform, a dispensing chute and a crank to rotate the shaft to elevate the platform and raise successive newspapers above the dispensing wedge and dispense them by gravity through a dispensing chute, in combination with a clutch between the drive shaft and the crank normally disengaging the shaft from the crank, and a coin mechanism to activate the clutch and engage the shaft with the crank to raise the platform and dispense a newspaper.
    Type: Grant
    Filed: July 13, 1981
    Date of Patent: June 21, 1983
    Assignee: Single Vend Inc.
    Inventors: Fred O. Godley, John A. Laurents
  • Solid state relay
    Patent number: 4268843
    Abstract: A solid state relay having a light-emitting diode, an array of series connected photodiodes and a field effect transistor is described.
    Type: Grant
    Filed: January 15, 1980
    Date of Patent: May 19, 1981
    Assignee: General Electric Company
    Inventors: Dale M. Brown, Marvin Garfinkel, John A. Laurent
  • Solid state relay
    Patent number: 4227098
    Abstract: A solid state relay having a light-emitting diode, an array of series connected photodiodes and a field effect transistor is described.The light-emitting diode is optically coupled to the array of photodiodes. The conductive state of the transistor is determined entirely by the voltage developed by the array of photodiodes.
    Type: Grant
    Filed: February 21, 1979
    Date of Patent: October 7, 1980
    Assignee: General Electric Company
    Inventors: Dale M. Brown, Marvin Garfinkel, John A. Laurent