| All Patents of Type: making rules |
Patents 1 -
10
of 10
      |
| Number | Date | Patentee | Title | Type |
| 6,332 | Apr. 17, 1849 | J. Essex | Machine for Marking Carpenters' Squares | making rules |
| 9,964 | Aug. 23, 1853 | S. Magoun | Improved Machine for Cutting and Beveling Printers' Rules | making rules |
| 16,817 | Mar. 10, 1857 | H. Whipple | Machine for Stamping Figures on Carpenters' Squares | making rules |
| 17,606 | Jun. 16, 1857 | S.C. Hubbard | Joint-Rule Graduating Machine | making rules |
| 74,239 | Feb. 11, 1868 | N. Millington | Improvement in Machines for Graduating Rules | making rules |
| 115,934 | Jun. 13, 1871 | J.M. Conner | Improvement in Machines for Ornamenting Printers Rules | making rules |
| RE4,523 | Aug. 22, 1871 | N. Millington | Improvement in Machines for Graduating Squares and Rules | making rules |
| 271,349 | Jan. 30, 1883 | C. Mitchell | Machinery for Cutting and Mitering Printer's Rules | making rules |
| 324,319 | Aug. 11, 1885 | W.E. Hatheway | Marking or Graduating Machine | making rules |
| 379,778 | Mar. 20, 1888 | W.H. Golding | Machine for Mitering Printers' Rules | making rules |
