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John Kollman
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Iowa City, IA, US
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Patents Grants
last 30 patents
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Patent Grant
Apparatuses, methods, and systems for providing down force for an a...
Patent number
11,558,991
Issue date
Jan 24, 2023
Kinze Manufacturing, Inc.
Courtney N. Achen
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Apparatuses, methods, and systems for providing down force for an a...
Patent number
10,477,753
Issue date
Nov 19, 2019
Kinze Manufacturing, Inc.
Courtney N. Achen
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Apparatuses, methods, and systems for providing down force for an a...
Patent number
9,814,172
Issue date
Nov 14, 2017
Kinze Manufacturing, Inc.
Courtney N. Achen
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Patents Applications
last 30 patents
Information
Patent Application
APPARATUSES, METHODS, AND SYSTEMS FOR PROVIDING DOWN FORCE FOR AN A...
Publication number
20200077563
Publication date
Mar 12, 2020
KINZE MANUFACTURING, INC.
COURTNEY N. ACHEN
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Application
APPARATUSES, METHODS, AND SYSTEMS FOR PROVIDING DOWN FORCE FOR AN A...
Publication number
20180035597
Publication date
Feb 8, 2018
KINZE MANUFACTURING, INC.
Courtney N. Achen
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Application
APPARATUSES, METHODS, AND SYSTEMS FOR PROVIDING DOWN FORCE FOR AN A...
Publication number
20150264857
Publication date
Sep 24, 2015
KINZE MANUFACTURING, INC.
Courtney N. Achen
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING