| Patents for Charles M. Daboll |
Patents 1 -
9
of 9
      |
| Picture | Number | Date | Patentee | Title |
 | 10,924 | May 16, 1854 | C.M. Daboll | Catch for holding the bit in brace stock |
 | 30,803 | Dec. 04, 1860 | C.M. Daboll | Pressure-gage |
 | 75,870 | Mar. 24, 1868 | C.M. Daboll | Improvement in braces for bits |
| | 80,812 | Aug. 11, 1868 | C.M. Daboll | Improvement in drill-stock |
 | 102,779 | May 10, 1870 | C.M. Daboll | Improved friction-roller bearing |
 | 139,876 | Jun. 17, 1873 | A.P. Daboll | Bit-stock head |
 | 174,784 | Mar. 14, 1876 | C.M. Daboll | Improvement in mowing-machines |
| | 255,724 | Mar. 28, 1882 | C.M. Daboll | Pulley-sheave |
| | 255,725 | Mar. 28, 1882 | C.M. Daboll | Hardening metals |
