Granted Patent
Utility
US 6,818,312 · App. 10/471,880
Heat-shrinkable polyester film
Inventors:
Jung Gyu Lee, Nam-Il Kim, Sang-Il Kim
Patented Case
View Patent ↗
Granted: Nov 16, 2004
Filed: Sep 11, 2003
Inventors
Jung Gyu Lee
Nam-Il Kim
Sang-Il Kim
Assignee (at issue)
SKC CO., LTD.
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.