Granted Patent
Utility
US 5,602,621 · App. 08/542,316
Film package and method
Inventors:
Walter C. Lamb, Jr., Margaret A. Obermiller, Francis A. Ricci
Patented Case
View Patent ↗
Granted: Feb 11, 1997
Filed: Oct 12, 1995
Inventors
Walter C. Lamb, Jr.
Margaret A. Obermiller
Francis A. Ricci
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.