Granted Patent
Utility
US 5,980,787 · App. 09/108,964
Protective element for an electro-chemical accumulator and process for its fabrication
Inventors:
Martha Maly-Schreiber, Arnold Van Zyl, Josef Ritter, Reinhold Hilpert
Patented Case
View Patent ↗
Granted: Nov 9, 1999
Filed: Jul 2, 1998
Inventors
Martha Maly-Schreiber
Arnold Van Zyl
Josef Ritter
Reinhold Hilpert
Assignee (at issue)
Daimlerchrysler AG
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.