[X3D-Public] US Patent 6,754,400

[Tom Sparks]

I have found a Patent witch may affect X3D and VRML97 background node ,
You can read about the patent here (http://www.google.com/patents/about?id=KjQSAAAAEBAJ&dq=6,754,400)

the IVRPA is fund a case to invalided this patent ( http://ivrpa.org/patent )
 the IVRPA is asking for information to invalided this claim the lawyers want pre February 2001


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