Granted Patent
Utility
US 6,234,461 · App. 09/337,256
Adjustable length gas spring
Inventors:
Walter Bohm, Frank Weisser
Patented Case
View Patent ↗
Granted: May 22, 2001
Filed: Jun 22, 1999
Inventors
Walter Bohm
Frank Weisser
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.