Granted Patent
Utility
US 5,322,583 · App. 08/005,440
Method of heat embossing materials subject to adhesion
Inventor:
Elliott Wharton
Patented Case
View Patent ↗
Granted: Jun 21, 1994
Filed: Jan 19, 1993
Inventor
Elliott Wharton
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.