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Patents Granted on 1831-02-11
Patents 1 - 6 of 6
First set of recordsLast set of records
NumberDatePatenteeTitleType
6,371XFeb. 11, 1831E. BigelowGrist millgrist mills
6,372XFeb. 11, 1831J. BostonManufacturing gas
6,373XFeb. 11, 1831S.G. ChamberlainSecuring porcelain teeth
6,374XFeb. 11, 1831J. CornellFelting and napping hats
6,375XFeb. 11, 1831J. Harman, Jr.Thrashing machinethreshers and thrashers
6,376XFeb. 11, 1831S. HornbackMachine for cutting sickles, files, etc.files
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