Patents by Inventor Leonard B. Greene

Leonard B. Greene 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).

  • Coded optical identification system
    Patent number: 4329573
    Abstract: A coded optical identification system includes a linear array of three-dimensional segments. A first plurality of the segments have planar surfaces thereon from reflecting light from a light source to a light sensor, and a second plurality of the segments have a sloping surface thereon for directing light from the light source away from the light sensor.
    Type: Grant
    Filed: April 18, 1980
    Date of Patent: May 11, 1982
    Inventor: Leonard B. Greene