| Patent RX4 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| XC-4 | Nov. 30, 1825 | R. Dalkin, Jr. | Improvement in the drum-cylinder and double drum-cylinder, used in the manufacture of ropes, cables, &c. | rope making machines |
| NS-4 | Mar. 03, 1836 | J.W. Cleaveland | Machine for making bricks | manufacturing bricks and tiles |
| 4 | Aug. 10, 1836 | T. Blanchard | Stock shaving or rounding machine for edges, ends, &c., of ships' tackleblocks | pulley making machines |
| RX-4 | Aug. 06, 1838 | J.S. Gold | Improvement in an Oven called the "Union Oven" | ovens |
| NF-4 | Jul. 25, 1853 | C. Fox | A new and improved way of deodorizing oils for the purpose of lubrication | |
| CS-4 | Aug. 05, 1861 | G.B. Sloat | Work Box for Sewing Machine, Design | sewing tools |
