Granted Patent
Utility
US 6,007,044 · App. 08/988,638
Adjustable-length column for chairs or the like
Inventor:
Harald Harrer
Patented Case
View Patent ↗
Granted: Dec 28, 1999
Filed: Dec 11, 1997
Inventor
Harald Harrer
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.