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Patents for John P. Sawin | |||||
Number | Date | Patentee | Title | Type | |
1,308X | May 17, 1810 | J. Skinner, J.P. Sawin | Tide Mill | tide mills | |
1,418X | Jan. 24, 1811 | J.P. Sawin | Co-operating frictionless cylinders | ||
1,423X | Jan. 28, 1811 | T.B. Wait, J.P. Sawin | Cylindrical printing press | printing presses | |
1,433X | Feb. 08, 1811 | J. Skinner, J.P. Sawin | Nail machine for cutting and heading at one operation | nail making machines |