Granted Patent
Utility
US 6,311,572 · App. 09/207,836
Displacement sensor
Inventor:
Lothar Gier
Patented Case
View Patent ↗
Granted: Nov 6, 2001
Filed: Dec 8, 1998
Inventor
Lothar Gier
Assignee (at issue)
Mannesmann VDO AG
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.