Granted Patent
Utility
US 4,545,663 · App. 06/506,109
Integral self-developing film unit and system for use thereof
Inventor:
Lawrence M. Douglas
Patented Case
View Patent ↗
Granted: Oct 8, 1985
Filed: Jun 20, 1983
Inventor
Lawrence M. Douglas
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.