Granted Patent
Utility
US 6,195,099 · App. 09/204,887
Method for time based shadow rendering
Inventor:
Harold Dee Gardiner
Patented Case
View Patent ↗
Granted: Feb 27, 2001
Filed: Dec 3, 1998
Inventor
Harold Dee Gardiner
Assignee (at issue)
Evans & Sutherland Computer Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.