Granted Patent
Utility
US 4,443,530 · App. 06/436,189
Self-processing film unit with liquid applicator
Inventors:
David Cronin, Vincent L. Cocco
Patented Case
View Patent ↗
Granted: Apr 17, 1984
Filed: Oct 22, 1982
Inventors
David Cronin
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.