Granted Patent
Utility
US 6,088,892 · App. 08/930,190
Method of aerodynamic texturing, texturing nozzle, nozzle head and use thereof
Inventors:
Gotthilf Bertsch, Erwin Schwarz
Patented Case
View Patent ↗
Granted: Jul 18, 2000
Filed: Feb 25, 1998
Inventors
Gotthilf Bertsch
Erwin Schwarz
Assignee (at issue)
Heberlein Fibertechnology, 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.