Granted Patent
Utility
US 4,650,286 · App. 06/783,328
Liquid crystal light value color projector
Inventors:
Nobuo J. Koda, William P. Bleha, Jr., Harry W. Giehll, Stephen J. Reinsch, Paul F. Robusto
Patented Case
View Patent ↗
Granted: Mar 17, 1987
Filed: Oct 3, 1985
Inventors
Nobuo J. Koda
William P. Bleha, Jr.
Harry W. Giehll
Stephen J. Reinsch
Paul F. Robusto
Assignee (at issue)
Hughes Aircraft Company
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.