Granted Patent
Utility
US 6,698,258 · App. 10/166,777
Swivel crank arm
Inventor:
Florian Westwinkel
Patented Case
View Patent ↗
Granted: Mar 2, 2004
Filed: Jun 12, 2002
Inventor
Florian Westwinkel
Assignee (at issue)
WESKO LOCKS LTD.
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.