Granted Patent
Utility
US 5,397,413 · App. 07/867,042
Apparatus and method for producing a web of thermoplastic filaments
Inventors:
Lloyd E. Trimble, Leon M. Zeldin, William J. Grubbs, John V. Francis
Patented Case
View Patent ↗
Granted: Mar 14, 1995
Filed: Apr 10, 1992
Inventors
Lloyd E. Trimble
Leon M. Zeldin
William J. Grubbs
John V. Francis
Assignee (at issue)
Fiberweb North America, Inc.
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.