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Patents for William F. Ross | |||||
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Picture | Number | Date | Patentee | Title | |
372,067 | Oct. 25, 1887 | W.P. Hale | Grain-binding harvester | ||
372,068 | Oct. 25, 1887 | W.P. Hale | Harvester-reel | ||
![]() | 426,859 | Apr. 29, 1890 | S. Ross, Jr. | Sand-paper roll |