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Thomas E. Schroeder
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Burr Ridge, IL, US
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last 30 patents
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Patent Grant
Scraper mechanism for disk gang harrows
Patent number
4,127,179
Issue date
Nov 28, 1978
International Harvester Company
Evert J. Heersink
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING