Granted Patent
Utility
US 5,225,018 · App. 07/433,167
Method and apparatus for providing uniformly distributed filaments from a spun filament bundle and spunbonded fabric obtained therefrom
Inventors:
Leon M. Zeldin, Ronald E. Lamkin, Joseph E. Werner
Patented Case
View Patent ↗
Granted: Jul 6, 1993
Filed: Nov 8, 1989
Inventors
Leon M. Zeldin
Ronald E. Lamkin
Joseph E. Werner
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.