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Patents Granted on 1838-07-??
Patents 1 - 6 of 6
First set of recordsLast set of records
NumberDatePatenteeTitleType
830Jul. 09, 1838T. Keane, J. KeaneMachine for cutting wood-screwsscrew machines
838Jul. 12, 1838W. BuckminsterImprovement in flexible horse hay-rakeshay or straw rakes
840Jul. 16, 1838J.W. WebbCorn Shellingmiller
841Jul. 16, 1838E. BunceImprovement in the Machine for Planting Corn and Other Seedscorn planters
851Jul. 24, 1838R.N. Watrous, E. L'HommedieuMachinery for manufacturing double-twist screw-augerstool making machines
860Jul. 28, 1838J. WymanMachine for jointing staves for barrels, casks, &c.barrel making machines
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