Granted Patent
Utility
US 5,153,712 · App. 07/775,016
Apparatus for inserting color character data into composite video signal
Inventor:
Yasufumi Masaike
Patented Case
View Patent ↗
Granted: Oct 6, 1992
Filed: Oct 11, 1991
Inventor
Yasufumi Masaike
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.