Granted Patent
Utility
US 4,401,381 · App. 06/436,078
Processing apparatus for self-processing film unit with a folded applicator
Inventor:
Vincent L. Cocco
Patented Case
View Patent ↗
Granted: Aug 30, 1983
Filed: Oct 22, 1982
Inventor
Vincent L. Cocco
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.