Granted Patent
Utility
US 4,466,073 · App. 06/371,402
Wafer prealigner using pulsed vacuum spinners
Inventors:
Gerard E. Boyan, Enso J. Maleri
Patented Case
View Patent ↗
Granted: Aug 14, 1984
Filed: Apr 26, 1982
Inventors
Gerard E. Boyan
Enso J. Maleri
Assignee (at issue)
PerkinElmer, 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.