Granted Patent
Utility
US 6,759,123 · App. 10/371,354
High strength and low shrinkage polyester yarn and process for its preparation
Inventors:
Yi-Woon Jeong, Min-Jae Yoo, Dong Seok SHIM
Patented Case
View Patent ↗
Granted: Jul 6, 2004
Filed: Feb 20, 2003
Inventors
Yi-Woon Jeong
Min-Jae Yoo
Dong Seok SHIM
Assignee (at issue)
HYOSUNG CORPORATION
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.