Granted Patent
Utility
US 5,785,016 · App. 08/844,499
Electromagnetic operating mechanism for gas exchange valves of internal combustion engines
Inventors:
Christian Enderle, Jurgen Willand, Paul Wurster
Patented Case
View Patent ↗
Granted: Jul 28, 1998
Filed: Apr 18, 1997
Inventors
Christian Enderle
Jurgen Willand
Paul Wurster
Assignee (at issue)
Daimler-Benz 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.