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All Patents in class 172/500 | |||||
Number | Date | Patentee | Title | Type | |
432,664 | Jul. 22, 1890 | R. Galloway | Grain Seeding Machine Attachment | seeders | |
710,272 | Sep. 30, 1902 | J.S. Heath, E. Baseman | Seeding-machine | ||
1,441,717 | Jan. 09, 1923 | C.H. White | Tool Holder for Cultivators | agricultural tool holders |