Granted Patent
Utility
US 4,276,339 · App. 06/099,513
Laminated foam-creped paper product and method of production thereof
Inventor:
F. Raymond Stoveken
Patented Case
View Patent ↗
Granted: Jun 30, 1981
Filed: Dec 3, 1979
Inventor
F. Raymond Stoveken
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.