Granted Patent
Utility
US 5,269,398 · App. 07/762,982
Longitudinally adjustable gas spring and elevating mechanism with such gas spring
Inventors:
Herbert Wolf, Adolf Gebhardt, Ludwig Stadelmann
Patented Case
View Patent ↗
Granted: Dec 14, 1993
Filed: Sep 20, 1991
Inventors
Herbert Wolf
Adolf Gebhardt
Ludwig Stadelmann
Assignee (at issue)
SUSPA 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.