Granted Patent
Utility
US 6,517,769 · App. 09/867,721
Method and apparatus for producing a structural unit made of fiber reinforced material
Inventors:
Peter Eschenfelder, Walter Oefner
Patented Case
View Patent ↗
Granted: Feb 11, 2003
Filed: May 29, 2001
Inventors
Peter Eschenfelder
Walter Oefner
Assignee (at issue)
Eurocopter Deutschland 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.