Visibility calculations for 3d computer graphics | Patent Number 06618047
US 06618047 B1Filled DateJan 20, 2000
Priority DateJun 1, 1994
Publication Date-
Expiration DateSep 9, 2015
Inventor/ApplicantsHong Lip Lim
ExaminesBRIER, JEFFERY A
Art Unit2672
Technology Center2600
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