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