Granted Patent
Utility
US 5,867,941 · App. 08/956,946
Panic bar protection device
Inventors:
William Gurzenda, Raymond Battaglia
Patented Case
View Patent ↗
Granted: Feb 9, 1999
Filed: Oct 23, 1997
Inventors
William Gurzenda
Raymond Battaglia
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.