Granted Patent
Utility
US 4,883,707 · App. 07/184,228
High loft nonwoven fabric
Inventor:
David D. Newkirk
Patented Case
View Patent ↗
Granted: Nov 28, 1989
Filed: Apr 21, 1988
Inventor
David D. Newkirk
Assignee (at issue)
James River 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.