Granted Patent
Utility
US 5,239,000 · App. 07/719,254
Thermoplastic elastomer and process for preparation
Inventors:
Myung Hwan Kim, Byung Hyung Lee
Patented Case
View Patent ↗
Granted: Aug 24, 1993
Filed: Jun 21, 1991
Inventors
Myung Hwan Kim
Byung Hyung Lee
Assignee (at issue)
Yukong Limited
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.