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| Patents for Harry A. Crawford | |||||
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| Number | Date | Patentee | Title | Type | |
| 201,781 | Mar. 26, 1878 | H.C. Heckendorn | Improvement in oval-turning lathes | wood lathes | |
| 202,610 | Apr. 16, 1878 | A.F. Ward | Improvement in tape-measures | tape measures | |