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| Patents for Martin Alonzo Bidwell | |||||
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| Number | Date | Patentee | Title | Type | |
| 226,477 | Apr. 13, 1880 | M.A. Bidwell | Shingle-machine | shingle machines | |
| CA-12,711 | Apr. 29, 1881 | M.A. Bidwell | Improvements on shingle machines | shingle machines | |