Granted Patent
Utility
US 6,686,915 · App. 09/838,624
Systems and methods for rendering visual effects that are a function of depth
Inventor:
Jeffrey Andrews
Patented Case
View Patent ↗
Granted: Feb 3, 2004
Filed: Apr 19, 2001
Inventor
Jeffrey Andrews
Assignee (at issue)
WebTV Networks, Inc.
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.