Granted Patent
Utility
US 6,485,250 · App. 09/223,508
Substrate transport apparatus with multiple arms on a common axis of rotation
Inventor:
Christopher Hofmeister
Patented Case
View Patent ↗
Granted: Nov 26, 2002
Filed: Dec 30, 1998
Inventor
Christopher Hofmeister
Assignee (at issue)
Brooks Automation 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.