Patents for Nathaniel C. Sanford |
Patents 1 -
8
of 8
      |
Picture | Number | Date | Patentee | Title |
| 8,051X | Mar. 07, 1834 | N.C. Sanford | Skates |
 | 8,350X | Aug. 08, 1834 | N.C. Sanford | Wood auger |
 | 5,036 | Mar. 27, 1847 | A. Newton, L.B. Smith, E. Sanford | Wood auger |
 | 6,221 | Mar. 27, 1849 | N.C. Sanford | Means of auger manufacture |
 | 6,305 | Apr. 10, 1849 | N.C. Sanford, L.B. Smith | Machine for regulating the twist and diameter of screw-augers |
 | 15,147 | Jun. 17, 1856 | N.C. Sanford | Auger-Handle |
 | 36,534 | Sep. 23, 1862 | N.C. Sanford | Improvement in Augers |
 | 79,012 | Jun. 16, 1868 | N.C. Sanford | Improvement in Augers |