Granted Patent
Utility
US 5,488,444 · App. 08/302,220
Camera back adapter and method
Inventor:
Philip R. Norris
Patented Case
View Patent ↗
Granted: Jan 30, 1996
Filed: Sep 8, 1994
Inventor
Philip R. Norris
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.