| All Patents in class 470/136 |
Patents 1 -
5
of 5
      |
| Number | Date | Patentee | Title | Type |
| 1,757 | Sep. 02, 1840 | H. Burden | Machine for making hook or brad headed spikes | nail making machines |
| 4,043 | May 10, 1845 | I. Blanchard, J.F. Winslow | Machine for Making Hook or Brad Headed Spikes | nail making machines |
| RX-78 | Jan. 15, 1846 | E. Hunt, W. Osgood | Improvement in machines for making wrought iron spikes and nails | nail making machines |
| 6,005 | Jan. 09, 1849 | J. Beardsley | Machine for Hook-Heading Spikes by One Motion | |
| 6,160 | Mar. 10, 1849 | M. Maxim | Spike Machine | |
