Granted Patent
Utility
US 4,693,576 · App. 06/947,358
Camera for producing fully mounted transparencies
Inventor:
Richard Chen
Patented Case
View Patent ↗
Granted: Sep 15, 1987
Filed: Dec 29, 1986
Inventor
Richard Chen
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.