Granted Patent
Utility
US 6,684,841 · App. 10/008,474
Vacuum boost apparatus
Inventor:
Kenneth Ingemar Ekström
Patented Case
View Patent ↗
Granted: Feb 3, 2004
Filed: Dec 6, 2001
Inventor
Kenneth Ingemar Ekström
Assignee (at issue)
FORD GLOBAL TECHNOLOGIES, LLC
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.