Granted Patent
Utility
US 4,598,444 · App. 06/652,321
Spreader-propeller apparatus for tubular knitted fabric
Inventor:
Edmund A. Diggle, Jr.
Patented Case
View Patent ↗
Granted: Jul 8, 1986
Filed: Sep 19, 1984
Inventor
Edmund A. Diggle, Jr.
Assignee (at issue)
Samcoe Holding Corporation
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.