Patents by Inventor Hal C. Lonas, Jr.

Hal C. Lonas, Jr. 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).

  • Hybrid image editor
    Patent number: 5101436
    Abstract: A hybrid image editor for editing raster and vector entities with a common set of vector edit operations. Raster and vector entities are stored in a single image layer. Raster entities are selectively converted to vector entities. Converted entities are selectively erased from an image comprising multiple, overlapping raster entities.
    Type: Grant
    Filed: May 11, 1990
    Date of Patent: March 31, 1992
    Assignee: Optigraphics Corporation
    Inventors: John R. DeAguiar, Hal C. Lonas, Jr.