Granted Patent
Utility
US 4,475,241 · App. 06/381,580
Polycarbonate coated films
Inventors:
Robert Lee Mueller, George O. Schroeder
Patented Case
View Patent ↗
Granted: Oct 2, 1984
Filed: May 24, 1982
Inventors
Robert Lee Mueller
George O. Schroeder
Assignee (at issue)
American Can Company
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.