Granted Patent
Utility
US 4,514,354 · App. 06/448,647
Manufacture of molded paperboard articles
Inventors:
Sheldon I. Schlesinger, Walter S. Cerenzia, Thomas Wilson
Patented Case
View Patent ↗
Granted: Apr 30, 1985
Filed: Dec 10, 1982
Inventors
Sheldon I. Schlesinger
Walter S. Cerenzia
Thomas Wilson
Assignee (at issue)
James River-Norwalk
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.