| http://www.w3.org/ns/prov#value | - Applicant's earlier U.S. Pat. No. 5,477,435 issued Dec. 19, 1995, now RE 37,220E, shows a light module with an LED having one terminal in contact with one side of a wafer battery, and the other terminal spaced away from the battery but including a weight which will cause the upper terminal to move by inertia in response to a shoe striking a surface to contact the battery to illuminate the LED. In
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