Granted Patent
Utility
US 6,161,657 · App. 09/088,212
Mechanical lock with a cam-driven locking pawl
Inventors:
Jim Zhuang, Kevin N. Tribbett
Patented Case
View Patent ↗
Granted: Dec 19, 2000
Filed: May 29, 1998
Inventors
Jim Zhuang
Kevin N. Tribbett
Assignee (at issue)
P. L. Porter Co.
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.