A. A. Dorr

A. A. Dorr was an American engineer and inventor known for developing the Dorr bucket, a type of excavator attachment. The Dorr bucket is designed to dig and move large quantities of material efficiently, especially in mining and construction. His innovations improved excavation productivity and safety by enabling more effective digging and material handling. Dorr’s contributions have had a lasting impact on heavy machinery and excavation technology, making earth-moving operations faster and more efficient.