Granted Patent
Utility
US 5,485,662 · App. 08/235,306
Apparatus and method for crimping fiber for nonwoven applications
Inventors:
Ray W. Hodges, Jr., Shiv Sibal
Patented Case
View Patent ↗
Granted: Jan 23, 1996
Filed: Apr 29, 1994
Inventors
Ray W. Hodges, Jr.
Shiv Sibal
Assignee (at issue)
HERCULES 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.