Granted Patent
Utility
US 4,977,404 · App. 07/442,127
Remote control transmitter for emitting control commands
Inventors:
Klaus Durst, Gerd Reime
Patented Case
View Patent ↗
Granted: Dec 11, 1990
Filed: Nov 28, 1989
Inventors
Klaus Durst
Gerd Reime
Assignee (at issue)
Nokia Unterhaltungselektronik GmbH
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.