Granted Patent
Utility
US 4,449,885 · App. 06/381,085
Wafer transfer system
Inventors:
Richard J. Hertel, Edward D. MacIntosh
Patented Case
View Patent ↗
Granted: May 22, 1984
Filed: May 24, 1982
Inventors
Richard J. Hertel
Edward D. MacIntosh
Assignee (at issue)
Varian, 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.