| All Patents in class 408/214 |
Patents 1 -
10
of 65
      |
| Picture | Number | Date | Patentee | Title |
 | 1,114X | Jul. 31, 1809 | E. L'Hommedieu | Double podded central screw auger |
 | 2,642X | Jul. 17, 1816 | E. L'Hommedieu | Single twist screw auger |
 | 8,349X | Aug. 08, 1834 | A. Newton | Wood auger |
 | 8,350X | Aug. 08, 1834 | N.C. Sanford | Wood auger |
 | 9,169X | Oct. 14, 1835 | O.B. Percival | Gimlet |
 | 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 |
 | 8,162 | Jun. 17, 1851 | R. Cook | Auger |
 | 11,280 | Jul. 11, 1854 | W. Spangler | Augers, gimlets, &c. |
 | 12,551 | Mar. 20, 1855 | I.W. Hoagland | Auger Bit With Detachable Cutting Lip |
