Patents by Inventor Leo Rosenthal

Leo Rosenthal 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).

  • Computer-aided graphics system including a computerized material control system and method of using same
    Patent number: 4181954
    Abstract: Description is hereinafter had to a digital computer-aided graphics system for producing in a plane having two-dimensional coordinate axes a planar representation of a three-dimensional pipeline described in easy-to-understand coded input format as a series of workpoints paired into overlapping sets, each set containing a dominant and subservient point identified by relative three-dimensional coordinates.
    Type: Grant
    Filed: November 2, 1973
    Date of Patent: January 1, 1980
    Assignee: Chevron Research Company
    Inventors: Leo Rosenthal, Leonard M. Isaacson, John A. Ziebarth