Granted Patent
Utility
US 4,355,457 · App. 06/201,826
Method of forming a mesa in a semiconductor device with subsequent separation into individual devices
Inventors:
Salvadore P. Barlett, Daniel J. Dougherty, Frederick P. Lokuta
Patented Case
View Patent ↗
Granted: Oct 26, 1982
Filed: Oct 29, 1980
Inventors
Salvadore P. Barlett
Daniel J. Dougherty
Frederick P. Lokuta
Assignee (at issue)
RCA Corporation
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.