| All Patents in class 81/34 |
Patents 1 -
15
of 63
      |
| Number | Date | Patentee | Title | Type |
| 730 | May 08, 1838 | G. Page | Hand drill | breast drills |
| 30,487 | Oct. 23, 1860 | W. Lyon | Variable speed bit-stock | brace chucks |
| 66,229 | Jul. 02, 1867 | J. Fanning | Drilling apparatus | eggbeater drills |
| 80,812 | Aug. 11, 1868 | C.M. Daboll | Improvement in drill-stock | eggbeater drills |
| 81,769 | Sep. 01, 1868 | F. Glasser | Drill | eggbeater drills |
| 105,906 | Aug. 02, 1870 | C.H. Clark | Bit-stock | brace chucks |
| 137,910 | Apr. 15, 1873 | P.L. Gibbs | Improvement in Railroad Track Wrenches | socket wrenches |
| 155,337 | Sep. 22, 1874 | J. Sargent | Improvement in drills for drilling metal | eggbeater drills |
| 163,342 | May 18, 1875 | D.L. Toppan | Improvement in drill for drilling metal | eggbeater drills |
| 164,604 | Jun. 15, 1875 | H. Smith | Improvement in drills for drilling metal | hand drills |
| 168,741 | Oct. 11, 1875 | J. Hammond | Improvement in drill-stocks | eggbeater drills |
| 173,145 | Feb. 08, 1876 | H.R. Way | Improvement in Ratchet-Drills | ratchet braces |
| 183,235 | Oct. 10, 1876 | M. Vassar, II | Improvement in Ratchet-Wrenches | ratchet wrenches |
| 220,290 | Oct. 07, 1879 | J.M. Hunter | Improvement in stocks for grinding and drilling tools | eggbeater drills |
| 295,193 | Mar. 18, 1884 | O. Peck | Breast-drill | breast drills |
