Granted Patent
Utility
US 6,623,235 · App. 10/120,673
Robot arm edge gripping device for handling substrates using two four-bar linkages
Inventors:
Chuckson Yokota, Joseph Mann, Jean-Pascal Rouland, Malek Charif, Ted Hwang
Patented Case
View Patent ↗
Granted: Sep 23, 2003
Filed: Apr 11, 2002
Inventors
Chuckson Yokota
Joseph Mann
Jean-Pascal Rouland
Malek Charif
Ted Hwang
Assignee (at issue)
PRI Automation, Inc.
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.