Granted Patent
Utility
US 6,200,348 · App. 09/402,425
Spacer with adjustable axial length
Inventors:
Lutz Biedermann, Jürgen Harms
Patented Case
View Patent ↗
Granted: Mar 13, 2001
Filed: Oct 4, 1999
Inventors
Lutz Biedermann
Jürgen Harms
Assignee (at issue)
Biedermann Motech 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.