Granted Patent
Utility
US 6,312,545 · App. 09/269,556
Method for producing a spunbonded fabric from thermobonded crimped bicomponent fibers
Inventors:
Axel Nickel, Stefan Etzold
Patented Case
View Patent ↗
Granted: Nov 6, 2001
Filed: Mar 30, 1999
Inventors
Axel Nickel
Stefan Etzold
Assignee (at issue)
Corovin GmbH
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.