Granted Patent
Utility
US 5,277,553 · App. 07/972,815
Valve-controlled displacer unit having valve triggering
Inventor:
Dieter Stolpp
Patented Case
View Patent ↗
Granted: Jan 11, 1994
Filed: Nov 6, 1992
Inventor
Dieter Stolpp
Assignee (at issue)
MERCEDES-BENZ GROUP 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.