Patents by Inventor Laurence E. Brown

Laurence E. Brown 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).

  • Arc operated Q switch for laser
    Patent number: 3964003
    Abstract: A laser beam is passed between a pair of electrodes, the switching of the beam being accomplished by generating an arc between the electrodes whereby metal vapor is ablated therefrom. The metal vapor acts to either refract or totally block the beam, in either case cutting off the laser output.
    Type: Grant
    Filed: February 26, 1975
    Date of Patent: June 15, 1976
    Assignee: Northrop Corporation
    Inventors: David B. Cohn, Vaughn G. Draggoo, William B. Lacina, Laurence E. Brown, Merrill M. Stone