Granted Patent
Utility
US 5,697,286 · App. 08/421,768
Fluid pressure unit with brake means
Inventor:
Thomas Grahl
Patented Case
View Patent ↗
Granted: Dec 16, 1997
Filed: Apr 14, 1995
Inventor
Thomas Grahl
Assignee (at issue)
SAUER GmbH
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.