Granted Patent
Utility
US 6,308,997 · App. 09/138,512
Add-on tamper-resistant lock device for cover
Inventors:
Daryl R. Haseley, Steven M. McHugh
Patented Case
View Patent ↗
Granted: Oct 30, 2001
Filed: Aug 24, 1998
Inventors
Daryl R. Haseley
Steven M. McHugh
Assignee (at issue)
McGard 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.