Granted Patent
Utility
US 5,428,884 · App. 08/274,483
Yarn conditioning process
Inventor:
Kiyohiro Tsuzuki
Patented Case
View Patent ↗
Granted: Jul 4, 1995
Filed: Jul 13, 1994
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.