Granted Patent
Utility
US 5,520,872 · App. 08/103,588
Method for hemming edges of stretch film
Inventor:
Philip G. Scherer
Patented Case
View Patent ↗
Granted: May 28, 1996
Filed: Aug 9, 1993
Inventor
Philip G. Scherer
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.