Granted Patent
Utility
US 4,834,348 · App. 07/180,716
Two chamber support bearing with hydraulic damping
Inventors:
Ernst-Gunter Jordens, Johannes Sprute
Patented Case
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Granted: May 30, 1989
Filed: Apr 4, 1988
Inventors
Ernst-Gunter Jordens
Johannes Sprute
Assignee (at issue)
Firma Lemfoerder Metallwaren 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.