Granted Patent
Utility
US 4,516,394 · App. 06/415,100
Yarn package for spiralers
Inventors:
Gilbert C. Bell, Harry W. Stanhope
Patented Case
View Patent ↗
Granted: May 14, 1985
Filed: Sep 7, 1982
Inventors
Gilbert C. Bell
Harry W. Stanhope
Assignee (at issue)
Celanese GmbH
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.