Number | Name | Date | Kind |
---|---|---|---|
709147 | Fay | Sep 1902 | |
1381028 | Stevenson | Jun 1921 | |
2439743 | McEwen | Apr 1948 | |
2768591 | James | Oct 1956 | |
2842077 | Morrison | Jul 1958 | |
2904119 | Hunter | Sep 1959 | |
2924187 | Zimmerman | Feb 1960 | |
3605657 | Brannan | Sep 1971 | |
3618538 | Brannan | Nov 1971 | |
3745944 | Yetter et al. | Jul 1973 | |
3919951 | Williams et al. | Nov 1975 |
Number | Date | Country |
---|---|---|
2355802 | May 1975 | DEX |
679726 | Jan 1965 | ITX |
506338 | Jan 1976 | SUX |
Entry |
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Anon., (1972) AMCO Deep Tillage Plow, (Advertizing Leaflet) by AMCO, No. 1, AMCO Drive/Yazoo City, Miss. 39194. |