Granted Patent
Utility
US 6,598,694 · App. 09/771,365
Hub drive
Inventor:
Franz Forster
Patented Case
View Patent ↗
Granted: Jul 29, 2003
Filed: Jan 26, 2001
Inventor
Franz Forster
Assignee (at issue)
Linde 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.