Granted Patent
Utility
US 5,320,929 · App. 07/994,897
Image-recording materials
Inventor:
Michael J. Arnost
Patented Case
View Patent ↗
Granted: Jun 14, 1994
Filed: Dec 22, 1992
Inventor
Michael J. Arnost
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.