Granted Patent
Utility
US 5,140,396 · App. 07/715,100
Filter and solid state imager incorporating this filter
Inventors:
Christopher Needham, Carl A. Chiulli, Stephen F. Clark
Patented Case
View Patent ↗
Granted: Aug 18, 1992
Filed: Jun 13, 1991
Inventors
Christopher Needham
Carl A. Chiulli
Stephen F. Clark
Assignee (at issue)
Polaroid 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.