Granted Patent
Utility
US 5,445,423 · App. 08/084,102
Breakaway lever clutch
Inventor:
Gerald E. Mader
Patented Case
View Patent ↗
Granted: Aug 29, 1995
Filed: Jul 1, 1993
Inventor
Gerald E. Mader
Assignee (at issue)
Von Duprin LLC
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.