Granted Patent
Utility
US 4,496,211 · App. 06/213,462
Lightpipe network with optical devices for distributing electromagnetic radiation
Inventor:
Maurice Daniel
Patented Case
View Patent ↗
Granted: Jan 29, 1985
Filed: Dec 5, 1980
Inventor
Maurice Daniel
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.