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| Patents for Gustavus F. Whitman | |||||
| Picture | Number | Date | Patentee | Title | |
![]() | 274,871 | Mar. 27, 1883 | G.F. Whitman | Baling-press | |
![]() | 368,038 | Aug. 09, 1887 | G.F. Whitman | Dumping-car | |
![]() | 373,870 | Nov. 29, 1887 | H.L. Whitman, G.F. Whitman | Broadcast seed-sower | |