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Patents for J. Altoffer
Patents 1 - 2 of 2
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NumberDatePatenteeTitleType
3,376XAug. 30, 1821J. Altoffer, W. BushnellMachine for spinning wool, etc.spinner
3,377XAug. 30, 1821W. Bushnell, J. AltofferMachine for raising water by weight
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