Granted Patent
Utility
US 4,701,039 · App. 06/793,985
Copy accessory for instant camera
Inventor:
Bruce K. Johnson
Patented Case
View Patent ↗
Granted: Oct 20, 1987
Filed: Nov 1, 1985
Inventor
Bruce K. Johnson
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.