Granted Patent
Utility
US 6,508,579 · App. 09/568,209
Lighting apparatus for illuminating well-defined limited areas
Inventors:
Alan J. Ruud, Roger Buelow, John M. Davenport, Eric J. Haugaard, Juris Sulcs
Patented Case
View Patent ↗
Granted: Jan 21, 2003
Filed: May 9, 2000
Inventors
Alan J. Ruud
Roger Buelow
John M. Davenport
Eric J. Haugaard
Juris Sulcs
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.