Granted Patent
Utility
US 6,490,797 · App. 09/530,999
Blade lock for folding knife
Inventors:
Ronald W. Lake, Michael L. Walker
Patented Case
View Patent ↗
Granted: Dec 10, 2002
Filed: May 8, 2000
Inventors
Ronald W. Lake
Michael L. Walker
Assignee (at issue)
Imperial Schrade Corp.
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.