Granted Patent
Utility
US 6,309,161 · App. 09/433,260
Load lock with vertically movable support
Inventor:
Christopher Hofmeister
Patented Case
View Patent ↗
Granted: Oct 30, 2001
Filed: Nov 4, 1999
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.