Granted Patent
Utility
US 4,763,473 · App. 07/035,546
Arrangement for operating a diesel hydraulic drive
Inventors:
Herbert Ziplies, Heinrich Lackenberg
Patented Case
View Patent ↗
Granted: Aug 16, 1988
Filed: Apr 7, 1987
Inventors
Herbert Ziplies
Heinrich Lackenberg
Assignee (at issue)
O & K Orenstein and Koppel 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.