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Ronald W. Steffen
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Chatham, IL, US
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Patents Grants
last 30 patents
Information
Patent Grant
Seed sensor with lightpipe photodetect assembly
Patent number
10,412,880
Issue date
Sep 17, 2019
TSI, INCORPORATED
Ronald W. Steffen
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Seed sensor with lightpipe photodetect assembly
Patent number
9,913,425
Issue date
Mar 13, 2018
TSI, INCORPORATED
Ronald W. Steffen
G01 - MEASURING TESTING
Information
Patent Grant
Synchronization of a twin row planting system
Patent number
9,320,192
Issue date
Apr 26, 2016
Dickey-john Corporation
Ronald W. Steffen
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Universal modular control system for mobile material distribution a...
Patent number
5,897,600
Issue date
Apr 27, 1999
Thomas R. Elmore
G05 - CONTROLLING REGULATING
Information
Patent Grant
Boom configuration monitoring and control system for mobile materia...
Patent number
5,884,205
Issue date
Mar 16, 1999
Dickey-john Corporation
Thomas R. Elmore
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Apparatus and method for sensing a full level condition for a large...
Patent number
5,770,865
Issue date
Jun 23, 1998
Dickey-john Corporation
Ronald W. Steffen
G01 - MEASURING TESTING
Information
Patent Grant
Wheel interference monitor
Patent number
4,087,783
Issue date
May 2, 1978
Dickey-john Corporation
Ronald W. Steffen
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Monitor system for agricultural harvesting apparatus
Patent number
4,068,223
Issue date
Jan 10, 1978
Dickey-john Corporation
Ronald W. Steffen
G08 - SIGNALLING
Information
Patent Grant
Liquid spreader control system
Patent number
4,052,003
Issue date
Oct 4, 1977
Dickey-john Corporation
Ronald W. Steffen
G05 - CONTROLLING REGULATING
Patents Applications
last 30 patents
Information
Patent Application
SEED SENSOR WITH LIGHTPIPE PHOTODETECT ASSEMBLY
Publication number
20180359911
Publication date
Dec 20, 2018
DICKEY-john Corporation
Ronald W. Steffen
G01 - MEASURING TESTING
Information
Patent Application
SEED SENSOR WITH LIGHTPIPE PHOTODETECT ASSEMBLY
Publication number
20160374263
Publication date
Dec 29, 2016
DICKEY-john Corporation
Ronald W. Steffen
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Application
SYNCHRONIZATION OF A TWIN ROW PLANTING SYSTEM
Publication number
20150134210
Publication date
May 14, 2015
DICKEY-john Corporation
Ronald W. Steffen
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING