Granted Patent
Utility
US 4,931,355 · App. 07/170,208
Nonwoven fibrous hydraulically entangled non-elastic coform material and method of formation thereof
Inventors:
Fred R. Radwanski, Lloyd E. Trimble, Leon E. Chambers, Jr., Linda A. Connor
Patented Case
View Patent ↗
Granted: Jun 5, 1990
Filed: Mar 18, 1988
Inventors
Fred R. Radwanski
Lloyd E. Trimble
Leon E. Chambers, Jr.
Linda A. Connor
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.