Patents by Inventor Lloyd P. Quackenbos

Lloyd P. Quackenbos 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).

  • Surface pit and mound detection and discrimination system and method
    Patent number: 5389794
    Abstract: A surface pit and mound detection and discrimination system including a device for scanning a beam of radiation over a surface, and a mechanism for detecting a local slope on the surface for differentiating between whether the beam of radiation is scanning a pit or a mound on the surface.
    Type: Grant
    Filed: November 25, 1992
    Date of Patent: February 14, 1995
    Assignee: QC Optics, Inc.
    Inventors: Nicholas C. Allen, Sergey V. Broude, Eric T. Chase, Pascal Miller, Jay L. Ormsby, Bruno Rostaing, Lloyd P. Quackenbos