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Diamond Products, Inc. (1940s-) | Historical Construction Equipment Association

Name: Diamond Products, Inc. (1940s-)

Historical Note: The company started out in the mid forties manufacturing diamond bits for mining applications under the Pennsylvania Drilling Company name. The name changed to Diamond Products in 1964 when the company began focusing on diamond core bits and drilling machines for the construction industry.  Since 1964, it has been based in Elyria, Ohio.

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