| All Patents in class 271 |
Patents 1 -
15
of 78
      |
| Number | Date | Patentee | Title | Type |
| 8,681X | Mar. 11, 1835 | M. Caton, J.C. Rives | Register for Napier printing press | printer |
| 4,025 | May 01, 1845 | R.M. Hoe | Printing-press | printer |
| 5,188 | Jul. 10, 1847 | R.M. Hoe | Improvement in printing-presses | printer |
| RX-116 | Jun. 13, 1848 | I. Adams | Improvement in Power Printing Presses | printing presses |
| 8,681 | Jan. 27, 1852 | A.H. Copeland | Improvement in Sand Paper Holders | |
| 9,410 | Nov. 16, 1852 | S.P. Ruggles | Improvement in Printing-Presses | printing presses |
| 9,426 | Nov. 23, 1852 | F.A. Tenney, J.H. Buck, M. Buck, A.H. Cragin | Printing-press | printer |
| 12,118 | Jan. 02, 1855 | D. Baldwin | Feeding paper to printing presses and ruling machine | printer |
| 17,861 | Jul. 28, 1857 | T.J. Alexander | Method of driving circular saws | circular sawmills |
| 18,589 | Nov. 10, 1857 | R.M. Hoe | Feeding paper to printing-presses | printer |
| 18,640 | Nov. 17, 1857 | R.M. Hoe | Mode of operating fly-frames of printing-presses | printer |
| 24,861 | Jul. 26, 1859 | G.H. Ferguson, S. Ferguson | Machine for feeding paper to printing-presses | printer |
| 37,590 | Feb. 03, 1863 | J.H. Pratt | News-Distributer by Balloons | |
| 40,571 | Nov. 10, 1863 | A. Millochau | Rotary Steam Engine | rotary steam engines |
| 55,774 | Jun. 19, 1866 | J. Kirk | Improvement in registering apparatus for printing-presses | printer |
