Granted Patent
Utility
US 6,047,249 · App. 09/204,857
Video camera based computer input system with interchangeable physical interface
Inventors:
Philippe P. Piernot, Marcos R. Vescovi, Jonathan R. Cohen, Rafael Granados, Golan Levin, Justin Willow
Patented Case
View Patent ↗
Granted: Apr 4, 2000
Filed: Dec 3, 1998
Inventors
Philippe P. Piernot
Marcos R. Vescovi
Jonathan R. Cohen
Rafael Granados
Golan Levin
Justin Willow
Assignee (at issue)
Interval Research 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.