Granted Patent
Utility
US 6,142,835 · App. 09/143,566
Building entry protection unit
Inventor:
Bassel Hage Daoud
Patented Case
View Patent ↗
Granted: Nov 7, 2000
Filed: Aug 28, 1998
Inventor
Bassel Hage Daoud
Assignee (at issue)
LUCENT TECHNOLOGIES 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.