Granted Patent
Utility
US 6,402,102 · App. 09/527,292
Adjustable length column for chairs and tables and length adjusting element therefor
Inventors:
Norbert Sendfeld, Günter Ströber
Patented Case
View Patent ↗
Granted: Jun 11, 2002
Filed: Mar 17, 2000
Inventors
Norbert Sendfeld
Günter Ströber
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.