Granted Patent
Utility
US 4,778,332 · App. 07/012,537
Wafer flip apparatus
Inventors:
William Byers, Peter Kochersperger
Patented Case
View Patent ↗
Granted: Oct 18, 1988
Filed: Feb 9, 1987
Inventors
William Byers
Peter Kochersperger
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.