Granted Patent
Utility
US 4,630,343 · App. 06/773,842
Product for making isolated semiconductor structure
Inventors:
John M. Pierce, William I. Lehrer
Patented Case
View Patent ↗
Granted: Dec 23, 1986
Filed: Sep 6, 1985
Inventors
John M. Pierce
William I. Lehrer
Assignee (at issue)
Fairchild Camera & Instrument Corp.
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.