Granted Patent
Utility
US 6,236,622 · App. 09/303,392
Lamp and alarm clock with gradually increasing light or sounds
Inventor:
Stephen Blackman
Patented Case
View Patent ↗
Granted: May 22, 2001
Filed: May 1, 1999
Inventor
Stephen Blackman
Assignee (at issue)
Verilux, Inc.
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.