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The Hadley Story - Hadley Your Vehicle. Your Company ...

The Hadley Story The company was Founded by Harold Hadley in 1945 in Toledo, OH. Mr. Hadley was a boating enthusiast who was highly concerned about the safety of sailors. He developed one of the very first freon-powered, dual-trumpet horns that quickly became known as the “Hadley Horn”.Hadley aligned with boat manufacturers to enhance the ...…