Granted Patent
Utility
US 4,754,537 · App. 06/602,745
Process of making a cloth takeup mandrel
Inventor:
Curtis Lee
Patented Case
View Patent ↗
Granted: Jul 5, 1988
Filed: Apr 23, 1984
Inventor
Curtis Lee
Assignee (at issue)
Burlington Industries LLC
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.