| Patent US18 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| XC-18 | Jan. 03, 1831 | A. Austin | Machine for threshing grain | threshers and thrashers |
| 18 | Aug. 31, 1836 | T. Blanchard | Machine for countersinking to receive bushes in the sheaves of ships' tackle-blocks | drilling and boring |
| RX-18 | Dec. 10, 1839 | W.H. Mackrell | Improvement in Fasteners for Shutters and Blinds | shutters and blinds |
| NS-18 | Apr. 11, 1853 | J.B. Phillips | New mode of manufacturing piano-fortes (repeating action) | music instrument maker |
| NF-18 | Sep. 14, 1858 | W. Jenkins | Manufacture, production and purification of seal and cod oils | |
| CS-18 | Sep. 02, 1861 | E.B. T., Gamble, E. Macfee | Sword Bayonet Attaching to Guns | bayonets |
| CA-18 | Aug. 24, 1869 | J.F. Cass | Improvements on screw wrenches | nut wrenches |