Granted Patent
Utility
US 5,753,116 · App. 08/736,139
Coolant filter
Inventors:
Dieter Baumann, Bernhard Batram, Jorg Homberger
Patented Case
View Patent ↗
Granted: May 19, 1998
Filed: Oct 28, 1996
Inventors
Dieter Baumann
Bernhard Batram
Jorg Homberger
Assignees (at issue)
Ing. Walter Hengst GmbH & Co. KG
KG & Mercedes-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.