Granted Patent
Utility
US 4,859,149 · App. 07/321,822
Blade locking system
Inventor:
John McClain
Patented Case
View Patent ↗
Granted: Aug 22, 1989
Filed: Mar 10, 1989
Inventor
John McClain
Assignee (at issue)
General Motors 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.