Granted Patent
Utility
US 5,740,941 · App. 08/471,389
Sheet material with coating
Inventor:
Jerome H. Lemelson
Patented Case
View Patent ↗
Granted: Apr 21, 1998
Filed: Jun 6, 1995
Inventor
Jerome H. Lemelson
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.