Granted Patent
Utility
US 6,487,751 · App. 09/789,978
Door safety devices
Inventor:
Regis P. Renaud
Patented Case
View Patent ↗
Granted: Dec 3, 2002
Filed: Feb 20, 2001
Inventor
Regis P. Renaud
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.