Granted Patent
Utility
US 5,345,991 · App. 08/017,620
Rolling gate
Inventors:
Johann Huber, Dieter Lutze
Patented Case
View Patent ↗
Granted: Sep 13, 1994
Filed: Feb 12, 1993
Inventors
Johann Huber
Dieter Lutze
Assignee (at issue)
Reiff GmbH
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.