Granted Patent
Utility
US 5,643,392 · App. 08/358,343
Method of and apparatus for delaminating imaging media
Inventor:
Arthur H. Clough
Patented Case
View Patent ↗
Granted: Jul 1, 1997
Filed: Dec 19, 1994
Inventor
Arthur H. Clough
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.