Granted Patent
Utility
US 5,269,052 · App. 07/974,232
Yarn conditioning process
Inventor:
Kiyohiro Tsuzuki
Patented Case
View Patent ↗
Granted: Dec 14, 1993
Filed: Nov 10, 1992
Inventor
Kiyohiro Tsuzuki
Assignee (at issue)
TNS Mills Inc.
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.