Granted Patent
Utility
US 6,152,580 · App. 09/024,481
Apparatus and method for producing collimated light from an area source
Inventors:
Robert Babuka, Jennifer Cohen, Raymond G. Greene, Dean W. Skinner, Boris Yost
Patented Case
View Patent ↗
Granted: Nov 28, 2000
Filed: Feb 17, 1998
Inventors
Robert Babuka
Jennifer Cohen
Raymond G. Greene
Dean W. Skinner
Boris Yost
Assignee (at issue)
Rainbow Displays, 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.