Granted Patent
Utility
US 4,587,601 · App. 06/684,913
Combined flood and spot light incorporating a reflector member of circular and parabolic longitudinal cross section
Inventor:
William J. Collins
Patented Case
View Patent ↗
Granted: May 6, 1986
Filed: Dec 21, 1984
Inventor
William J. Collins
Assignee (at issue)
Collins Dynamics
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.