Patents by Inventor Robert D. Grappel

Robert D. Grappel 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).

  • Storage and transmission of compressed weather maps and the like
    Patent number: 5363107
    Abstract: Representing weather data with elliptical or polygonal representations for transmission or reception. Ellipseticity may be determined, vertex coordinates may be shuffled, or polygons may be continuously fillable or filled based on filling flag values. Sides may be replaced within the polygonal representations. Certain storage requirements or transmission orders may be variable.
    Type: Grant
    Filed: July 16, 1993
    Date of Patent: November 8, 1994
    Assignee: Massachusetts Institute of Technology
    Inventors: Jeffrey L. Gertz, Robert D. Grappel