Granted Patent
Utility
US 6,224,264 · App. 09/168,674
Guide bush and adjustable length column with guide bush
Inventors:
Fred Bohm, Frank Weisser, Peter Lang, Walter Bohm
Patented Case
View Patent ↗
Granted: May 1, 2001
Filed: Oct 9, 1998
Inventors
Fred Bohm
Frank Weisser
Peter Lang
Walter Bohm
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.