Granted Patent
Utility
US 5,164,970 · App. 07/627,408
Cascaded driver circuit
Inventors:
Yasuhiro Shin, Teruyuki Fujii
Patented Case
View Patent ↗
Granted: Nov 17, 1992
Filed: Dec 14, 1990
Inventors
Yasuhiro Shin
Teruyuki Fujii
Assignee (at issue)
OKI ELECTRIC INDUSTRY CO., LTD.
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.