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| Patents for Edwin May | |||||
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| Number | Date | Patentee | Title | Type | |
| 28,591 | Jun. 05, 1860 | J.W. McLean, A. Gummer | Shingle-machine | shingle machines | |
| 28,883 | Jun. 26, 1860 | A. Gummer, J.W. McLean | Lath-machine | lath making machines | |
| 88,972 | Apr. 13, 1869 | E. May | Sheet Metal Lath Machine | lath making machines | |