Patents by Inventor Leonard R. Stone

Leonard R. Stone 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).

  • Patent number: 4271362
    Abstract: A radiation energy transmission system including source collimating apparatus and its method of construction for maintaining the intensity of a radiation signal emanating from a radiation source along a narrow signal beam path to provide for long distance transmission of the collimated signal sufficiently above background radiation level to be detected by detector means within the path of the beam and at the same time sufficiently below safe radiation exposure levels so as not to be harmful to personnel in the immediate area of the beam.
    Type: Grant
    Filed: October 15, 1976
    Date of Patent: June 2, 1981
    Assignee: Republic Steel Corporation
    Inventors: Leonard R. Stone, Steven J. Aron, Jr., Robert A. Kemmerling
  • Patent number: 4033885
    Abstract: A radiation energy transmission system including source collimating apparatus and its method of construction for maintaining the intensity of a radiation signal emanating from a radiation source along a narrow signal beam path to provide for long distance transmission of the collimated signal sufficiently above background radiation level to be detected by detector means within the path of the beam and at the same time sufficiently below safe radiation exposure levels so as not to be harmful to personnel in the immediate area of the beam.
    Type: Grant
    Filed: December 30, 1974
    Date of Patent: July 5, 1977
    Assignee: Republic Steel Corporation
    Inventors: Leonard R. Stone, Steven J. Aron, Jr., Robert A. Kemmerling