Granted Patent
Utility
US 6,739,788 · App. 09/524,354
Ball pivot
Inventors:
Jörg Hagemes, Martina Beyer
Patented Case
View Patent ↗
Granted: May 25, 2004
Filed: Mar 13, 2000
Inventors
Jörg Hagemes
Martina Beyer
Assignee (at issue)
ZF Lemförder Metallwaren 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.