Patents Granted on 1813-03-23


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Patents Granted on 1813-03-23
Patents 1 - 5 of 5
Number	Date	Patentee	Title	Type
1,899X	Mar. 23, 1813	J.C. Chambers	Repeating gunnery	gunsmith
1,900X	Mar. 23, 1813	J. Perkins	Machine for making screw shanks	nail making machines
1,901X	Mar. 23, 1813	J. Perkins	Fire engines	fire engines
1,902X	Mar. 23, 1813	J. Perkins	Vault locks for banks	safe and vault apparatus
1,903X	Mar. 23, 1813	J. Perkins	Pumps	pumps