Granted Patent
Utility
US 4,510,176 · App. 06/535,916
Removal of coating from periphery of a semiconductor wafer
Inventors:
John David Cuthbert, Nicholas A. Soos
Patented Case
View Patent ↗
Granted: Apr 9, 1985
Filed: Sep 26, 1983
Inventors
John David Cuthbert
Nicholas A. Soos
Assignee (at issue)
AT&T Bell Laboratories
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.