Granted Patent
Utility
US 4,719,744 · App. 06/680,510
Vacuum spinning method
Inventor:
Elbert F. Morrison
Patented Case
View Patent ↗
Granted: Jan 19, 1988
Filed: Dec 11, 1984
Inventor
Elbert F. Morrison
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.