Granted Patent
Utility
US 5,667,332 · App. 08/554,742
Locking device for a drive shaft
Inventor:
Tage Lindholm
Patented Case
View Patent ↗
Granted: Sep 16, 1997
Filed: Nov 7, 1995
Inventor
Tage Lindholm
Assignee (at issue)
Aktiebolaget Electrolux
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.