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Harlin Trefz

John Deere

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Publication

Featured researches published by Harlin Trefz.

Archive | 2003

Walk-behind self-propelled power equipment unit with speed control

Harlin Trefz

Archive | 2004

Implement and power take off attachment system

Harlin Trefz; David Ross; Brian Clement; Kenneth Edward Hunt

Archive | 2008

ELECTRONIC ENGINE SPEED CONTROL SYSTEM FOR GRASS MOWING MACHINE

Carl Silbernagel; John Boyd Kuhn; Harlin Trefz; Donald William Ertmer

Archive | 1996

Auxiliary blower for mower deck

Curtis Reinhard Bening; Harlin Trefz

Archive | 2010

Aerator having flexible frame

Kenneth Edward Hunt; Shane D. Simon; Troy W. Harris; Harlin Trefz; Ronald Lee Reichen; John Louis Bocksnick; Bradley P. Aldridge

Archive | 2007

DUAL LEVER STEERING CONTROLS WITH CONTROL STOPS

Harlin Trefz; Wayne Robert Hutchison

Archive | 2005

Quick attaching coupler assembly and tractor

Harlin Trefz; David Ross; Brian Clement

Archive | 2005

Drive over mower deck

Brian Clement; Thomas John Deves; Robert Neil Fox; Harlin Trefz

Archive | 2007

Automatic connection mechanism for mid-mounted implement

Robert Neil Fox; Eric A. Howard; Carlos A. Diaz; Harlin Trefz; Benjamin Jerry Swart

Archive | 2006

Electric implement lift system for mower cutting units

Robert A. Henson; Harlin Trefz; Thomas G. Bartlett

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Collaboration

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Brian Clement

John Deere

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Curtis Reinhard Bening

John Deere

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David Ross

John Deere

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Robert Dale Haun

John Deere

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Robert Neil Fox

John Deere

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Ronald Lee Reichen

John Deere

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Thomas G. Bartlett

John Deere

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Kenneth Edward Hunt

John Deere

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Robert Alen Henson

John Deere

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Thomas John Deves

John Deere

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