Granted Patent
Utility
US 6,315,089 · App. 09/387,533
Safety lock device with rotating clover mechanism
Inventors:
John Fink, Harry Schilling
Patented Case
View Patent ↗
Granted: Nov 13, 2001
Filed: Aug 31, 1999
Inventors
John Fink
Harry Schilling
Assignee (at issue)
Morgan Marshall Industries, 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.