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| Patents for Cora A. Rankin | |||||
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| Number | Date | Patentee | Title | Type | |
| 773,495 | Oct. 25, 1904 | E. Harrold, C.G. Wilderson | Attachment for sharpening bandsaws | cutter grinding | |
| 779,158 | Jan. 03, 1905 | E. Harrold, C.G. Wilderson | Upper adjusting device for bandsaws | bandsaws | |
| 814,652 | Mar. 06, 1906 | E. Harrold, C.G. Wilderson | Bandsaw machine | bandsaws | |