page_title: Leo Heikkinen
hierarchical_section_title: Leo Heikkinen
caption_attribution_description: English: Leo Heikkinen inventor of the world famous Prentice knuckleboom loader in Prentice, Wisconsin
context_page_description: Leo Leonard Heikkinen was an American entrepreneur and millionaire who founded and owned numerous forestry production companies in Prentice, WI, including Prentice Hydraulics, 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.
context_section_description: 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.
caption: Leo Heikkinen in 1960
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