Granted Patent
Utility
US 5,168,734 · App. 07/716,210
Re-combinate removable plug lock
Inventors:
Robert A. Duval, Merrill A. Dana
Patented Case
View Patent ↗
Granted: Dec 8, 1992
Filed: Jun 17, 1991
Inventors
Robert A. Duval
Merrill A. Dana
Assignee (at issue)
RAD Lock, 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.