Granted Patent
Utility
US 6,357,733 · App. 09/530,427
Elastic spring element
Inventors:
Hans Georg Wulz, Wilfried Becker, Helmut Knabe
Patented Case
View Patent ↗
Granted: Mar 19, 2002
Filed: Jul 13, 2000
Inventors
Hans Georg Wulz
Wilfried Becker
Helmut Knabe
Assignee (at issue)
ASTRIUM 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.