Granted Patent
Utility
US 6,619,621 · App. 10/088,547
Car jack
Inventor:
Ferdinand Alten
Patented Case
View Patent ↗
Granted: Sep 16, 2003
Filed: Mar 15, 2002
Inventor
Ferdinand Alten
Assignee (at issue)
thyssenkrupp Bilstein 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.