Granted Patent
Utility
US 5,732,989 · App. 08/662,673
Lock and tool therefor
Inventors:
David L. Stevenson, Rodney Ridenour, Robert E. Stone, Craig Hamilton
Patented Case
View Patent ↗
Granted: Mar 31, 1998
Filed: Jun 14, 1996
Inventors
David L. Stevenson
Rodney Ridenour
Robert E. Stone
Craig Hamilton
Assignee (at issue)
Transgaurd 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.