Granted Patent
Utility
US 5,433,147 · App. 08/209,881
Ignition device
Inventors:
Uwe Brede, Anton Bretfeld, Peter Cornelius, Hans Jena
Patented Case
View Patent ↗
Granted: Jul 18, 1995
Filed: Mar 14, 1994
Inventors
Uwe Brede
Anton Bretfeld
Peter Cornelius
Hans Jena
Assignee (at issue)
Dynamit Nobel 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.