Number | Name | Date | Kind |
---|---|---|---|
1198684 | Waugh et al. | Sep 1916 | |
2975844 | Oehler et al. | Mar 1961 | |
3097705 | Bopf | Jul 1963 | |
3240508 | Clausen et al. | Mar 1966 | |
3480086 | Groenke | Nov 1969 | |
4004640 | Bland | Jan 1977 | |
4116140 | Anderson et al. | Sep 1978 | |
4245706 | Dietrich, Sr. | Jan 1981 | |
4321971 | Hake et al. | Mar 1982 | |
4446925 | Vachon | May 1984 | |
4519460 | Gust | May 1985 | |
4646850 | Brown et al. | Mar 1987 | |
4903782 | McClelland | Feb 1990 | |
4993499 | Bourgault et al. | Feb 1991 |
Number | Date | Country |
---|---|---|
0010076 | Apr 1980 | EPX |
8705777 | Oct 1987 | WOX |
Entry |
---|
Ford Field Cultivator Sales brochure, p. 15, Sep. 1972. |
"The SBC Cultivating System," Sales Brochure, Kongskilde Co., Jan. 1979. |
Midwest Industries, Inc. Brochure, Midwest Lift Harrow, For Field Cultivators, Chisel Plows. |