Granted Patent
Utility
US 6,272,004 · App. 09/460,886
Rotary switch lighting device
Inventor:
Kevin McDermott
Patented Case
View Patent ↗
Granted: Aug 7, 2001
Filed: Dec 14, 1999
Inventor
Kevin McDermott
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.