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| Patents for Dann Brothers & Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 63,997 | Apr. 23, 1867 | J.A. Dann | Improvement in wood-bending machines | wood bending machines | |
| 383,711 | May 29, 1888 | J.A. Dann | Paneling-machine | panel raising machines | |