Granted Patent
Utility
US 5,712,627 · App. 08/423,479
Security system
Inventor:
J. Rodney Watts
Patented Case
View Patent ↗
Granted: Jan 27, 1998
Filed: Apr 19, 1995
Inventor
J. Rodney Watts
Assignee (at issue)
Eastman Chemical Company
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.