Granted Patent
Utility
US 6,222,937 · App. 08/885,251
Method and system for tracking vantage points from which pictures of an object have been taken
Inventors:
Michael F. Cohen, Radek Grzeszczuk
Patented Case
View Patent ↗
Granted: Apr 24, 2001
Filed: Jun 30, 1997
Inventors
Michael F. Cohen
Radek Grzeszczuk
Assignee (at issue)
Microsoft 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.