Granted Patent
Utility
US 5,458,539 · App. 08/289,419
Flyweight with a lateral knob
Inventor:
Jean-Bernard Landry
Patented Case
View Patent ↗
Granted: Oct 17, 1995
Filed: Aug 12, 1994
Inventor
Jean-Bernard Landry
Assignee (at issue)
Powerbloc IBC Canada Inc.
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.