Granted Patent
Utility
US 5,059,975 · App. 07/185,248
Control signal generation circuit for wireless remote control signal transmitter
Inventor:
Shigeyuki Nakatsuka
Patented Case
View Patent ↗
Granted: Oct 22, 1991
Filed: Apr 19, 1988
Inventor
Shigeyuki Nakatsuka
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.