Granted Patent
Utility
US 5,653,860 · App. 08/641,792
System for ultrasonic removal of air bubbles from the surface of an electroplated article
Inventors:
Louis W. Nicholls, Waite R. Warren, Jr.
Patented Case
View Patent ↗
Granted: Aug 5, 1997
Filed: May 2, 1996
Inventors
Louis W. Nicholls
Waite R. Warren, Jr.
Assignee (at issue)
Mitsubishi Semiconductor America, 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.