Granted Patent
Utility
US 4,399,372 · App. 06/213,846
Integrated circuit having spare parts activated by a high-to-low adjustable resistance device
Inventors:
Masafumi Tanimoto, Nobuaki Ieda, Masato Wada
Patented Case
View Patent ↗
Granted: Aug 16, 1983
Filed: Dec 8, 1980
Inventors
Masafumi Tanimoto
Nobuaki Ieda
Masato Wada
Assignee (at issue)
Nippon Telegraph and Telephone Public 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.