Granted Patent
Utility
US 4,322,480 · App. 06/220,884
Polyamide-polyethylene laminates
Inventors:
Harold W. Tuller, Stephen R. Schulze, George S. Wilson
Patented Case
View Patent ↗
Granted: Mar 30, 1982
Filed: Dec 29, 1980
Inventors
Harold W. Tuller
Stephen R. Schulze
George S. Wilson
Assignee (at issue)
Allied Chemical 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.