Granted Patent
Utility
US 4,593,345 · App. 06/651,742
Panoramic optical system with very sharp beam control
Inventor:
William C. Beggs
Patented Case
View Patent ↗
Granted: Jun 3, 1986
Filed: Nov 7, 1984
Inventor
William C. Beggs
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.