Granted Patent
Utility
US 4,818,049 · App. 07/061,051
Method and apparatus for efficiently conveying light over a distance and effecting controlled illumination by projection thereof
Inventors:
Harry M. Assenheim, Edwin W. Morley
Patented Case
View Patent ↗
Granted: Apr 4, 1989
Filed: Jun 10, 1987
Inventors
Harry M. Assenheim
Edwin W. Morley
Assignee (at issue)
AlliedSignal, Inc.
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.