Number | Name | Date | Kind |
---|---|---|---|
518915 | Clarkson | Apr 1894 | |
573610 | Moore | Dec 1896 | |
2379921 | Pizzirani et al. | Jul 1945 | |
2405486 | Bauer | Aug 1946 | |
2627751 | Pazandak | Feb 1953 | |
3472079 | Cordell | Oct 1969 | |
3512418 | Broman, Jr. | May 1970 | |
3942388 | Rathnow et al. | Mar 1976 | |
4524628 | Knudtson et al. | Jun 1985 | |
4672856 | Marrs et al. | Jun 1987 | |
4771641 | Beltrop et al. | Sep 1988 | |
5426987 | Sprenger | Jun 1995 |
Entry |
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Gamet Brochure, Seedburo Equipment Company, Chicago, Illinois Grain Probes Catalog, Seedburo Equipment Company, Chicago, Illinois, pp. 552, 570 and 640, no date. |
Grain Probes Catalog, Seedburo Equipment Company, Chicago, Illinois, pp. 28,32, 33, 36, 44, 45, no date. |