PITTSBURGH, Aug. 15, 2025 /PRNewswire/ -- "I wanted to create a new advertising sign to mesmerize and capture a consumer's attention," said an inventor, from Moreno Valley, Calif., "so I invented the ...
PITTSBURGH, Nov. 4, 2025 /PRNewswire/ -- "I wanted to create an improved sign for crossing guards to help keep schoolchildren safe and prevent them from being overlooked by drivers," said an inventor, ...
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