Granted Patent
Utility
US 5,281,104 · App. 07/931,955
Sequential displacement piston pump
Inventor:
Heiko Bublitz
Patented Case
View Patent ↗
Granted: Jan 25, 1994
Filed: Aug 19, 1992
Inventor
Heiko Bublitz
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.