Leo Heikkinen

American forester Date Of Birth : 1917-06-11T00:00:00Z Date Of Death : 1999-09-10T00:00:00Z

Leo Leonard Heikkinen (June 11, 1917 – September 10, 1999) was an American entrepreneur and millionaire who founded and owned numerous forestry production companies in Prentice, WI, including Prentice Hydraulics, Inc. (now a division of Caterpillar, Inc.) and Multitek North America, LLC. He is credited for inventing the “knuckleboom” hydraulic loader, an invention that propelled the Prentice loader to 51% of the worldwide market.

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