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Jonathan Lee Engelstad
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Ankeny, IA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Harvester row unit height control with electrohydraulic proportiona...
Patent number
6,588,187
Issue date
Jul 8, 2003
Deere & Company
Jonathan Lee Engelstad
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Height sensing system for a harvester head
Patent number
6,041,583
Issue date
Mar 28, 2000
Deere & Company
Kevin Jacob Goering
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Electric control of a harvester fan
Patent number
5,286,233
Issue date
Feb 15, 1994
Jonathan L. Engelstad
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Double roller chain coupler with shield
Patent number
5,163,874
Issue date
Nov 17, 1992
Deere & Company
Jonathan L. Engelstad
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Torque limiting drive arrangement for a cotton harvester with multi...
Patent number
4,866,918
Issue date
Sep 19, 1989
Deere & Company
Jonathan L. Engelstad
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Automatically adjustable doffer column for a cotton picker
Patent number
4,819,415
Issue date
Apr 11, 1989
Deere & Company
Jonathan L. Engelstad
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Patents Applications
last 30 patents
Information
Patent Application
Harvester row unit height control with electrohydraulic proportiona...
Publication number
20020178710
Publication date
Dec 5, 2002
Jonathan Lee Engelstad
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC