Granted Patent
Utility
US 6,308,404 · App. 09/351,562
Apparatus and method for lifting two axles onto a vehicle chassis
Inventors:
David F. Hirschmann, Anna Hui
Patented Case
View Patent ↗
Granted: Oct 30, 2001
Filed: Jul 12, 1999
Inventors
David F. Hirschmann
Anna Hui
Assignee (at issue)
Daimlerchrysler 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.