Patents by Inventor Evelyn Thuemling

Evelyn Thuemling 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: 5010502
    Abstract: A computer aided design (CAD) system has the capability of operating in either a 2D or a 3D mode. In 2D mode, the system uses only instructions contained in a 2D instruction memory and executes only instructions relating to 2D geometry. Upon receipt of a command relating to 3D geometry, the system performs a 2D to 3D transformation, performs a topolgy check, transfers control to a 3D instruction memory and performs instructions relating to 3D geometry.
    Type: Grant
    Filed: March 13, 1990
    Date of Patent: April 23, 1991
    Assignee: Hewlett-Packard Company
    Inventors: Heinz Diebel, Ralf Peterhoff, Evelyn Thuemling