Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
February 16, 2016
Patent Application Number
14093038
Date Filed
November 28, 2013
Patent Citations Received
Patent Primary Examiner
Patent abstract
The disclosure is directed to a manhole cover, comprising: an upper transparent disc; a lower transparent disc coupled to the upper disc; and means for emitting electromagnetic radiation at a predetermined wavelength that is narrower than full spectrum, the means for emitting electromagnetic radiation operably coupled to the lower disc, wherein: the upper disc has a diameter larger than the lower disc, and the predetermined wavelength is configured to inhibit vermin from inhabiting the volume irradiated by the means for emitting electromagnetic radiation.
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