The classes in this directory are patented. If you use these classes
for commerical purposes, you must obtain a license grant from GE. The
contact point is:

        Mike Silver
        GE Medical Systems
        16705 West Lincoln Ave.
        NB 900
        New Berlin, WI, 53151
        Phone:1-414-827-3400 

The pertinent patents are:

    4,710,876   System and Method for the Display of Surface Structures Contained
                Within The Interior Region of a Solid Body

    4,719,585   Dividing Cubes System and Method for the Display of Surface Structures

    5,542,036   Implicit Modeling of Swept Volumes and Swept Surfaces

    5,559,388   Method for Reducting the Complexity of a Polygonal Mesh

