Granted Patent
Utility
US 5,223,832 · App. 07/950,969
Serial data transmission circuit
Inventor:
Ryuji Ishida
Patented Case
View Patent ↗
Granted: Jun 29, 1993
Filed: Sep 23, 1992
Inventor
Ryuji Ishida
Assignee (at issue)
NEC 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.