Granted Patent
Utility
US 5,666,579 · App. 08/638,503
Camera back which allows two discrete images to be sequentially exposed onto single film unit
Inventor:
Paul A. Camello
Patented Case
View Patent ↗
Granted: Sep 9, 1997
Filed: Apr 26, 1996
Inventor
Paul A. Camello
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.