Granted Patent
Utility
US 4,356,248 · App. 06/267,013
Photographic product
Inventor:
Thomas P. McCole
Patented Case
View Patent ↗
Granted: Oct 26, 1982
Filed: May 26, 1981
Inventor
Thomas P. McCole
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.