Granted Patent
Utility
US 5,163,630 · App. 07/598,461
Method and apparatus for winding yarn
Inventor:
Roger H. Fink
Patented Case
View Patent ↗
Granted: Nov 17, 1992
Filed: Oct 12, 1990
Inventor
Roger H. Fink
Assignee (at issue)
BASF SE
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.