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Patents Granted on 1830-05-25
Patents 1 - 5 of 5
First set of recordsLast set of records
NX-5,997May 25, 1830J. Rich, Jr.Flax Millflax and hemp machines
5,997XMay 25, 1830J. BogardusMachine in form of flying traveller spinning cotton, flax, silkspinner
NX-5,998May 25, 1830C.S. SeaburyPiano
5,998XMay 25, 1830I. LewisManufacturing chain machine, called the mechanics' assistant
5,999XMay 25, 1830S. Nisbet (Nisbet)Ploughplows or ploughs
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