Granted Patent
Utility
US 4,774,876 · App. 07/013,892
Sprung suspension of an actuating piston
Inventors:
Heinrich Lageder, Kamil Prochazka
Patented Case
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Granted: Oct 4, 1988
Filed: Feb 11, 1987
Inventors
Heinrich Lageder
Kamil Prochazka
Assignee (at issue)
BBC Brown, Boveri & Company Ltd.
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.