Heyl & Patterson Equipment is an American specialist engineering company, founded in 1887 and based in Pittsburgh, Pennsylvania. == History == === 19th century === Heyl & Patterson was founded by Edmund W. Heyl and William J. Patterson in Downtown Pittsburgh, initially as a sales agency for elevator and conveyor chains and elevator buckets.
Heyl & Patterson Equipment is an American specialist engineering company, founded in 1887 and based in Pittsburgh, Pennsylvania. == History == === 19th century === Heyl & Patterson was founded by Edmund W. Heyl and William J. Patterson in Downtown Pittsburgh, initially as a sales agency for elevator and conveyor chains and elevator buckets.
Source: Wikipedia "Heyl & Patterson Inc." · CC BY-SA 4.0
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