Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Thomas P. Alberti0
Date of Patent
March 20, 2007
0Patent Application Number
112224230
Date Filed
September 8, 2005
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A visual warning device is disclosed and which includes an emitter of visibly discernible light positioned in spaced relation relative to an underlying supporting surface, and which, when energized, emits visibly discernible light which is projected onto the underlying supporting surface to identify a restricted region which is positioned in spaced relation relative to the emitter.
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