All Patents of Type: eggbeater drills |
Patents 1 -
15
of 38
|
Number | Date | Patentee | Title | Type |
9,271 | Sep. 21, 1852 | R. Daniels | Hand drilling machine | eggbeater drills |
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 |
134,237 | Dec. 24, 1872 | C.H. Amidon | Improvement in drills | eggbeater drills |
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 |
168,741 | Oct. 11, 1875 | J. Hammond | Improvement in drill-stocks | eggbeater drills |
202,477 | Apr. 16, 1878 | T.O. Selfridge | Improvement in wood-boring machines | eggbeater drills |
220,290 | Oct. 07, 1879 | J.M. Hunter | Improvement in stocks for grinding and drilling tools | eggbeater drills |
234,109 | Nov. 02, 1880 | J.W. Burkholder | Hand-drill | eggbeater drills |
250,186 | Nov. 29, 1881 | L.J. Baker | Bit-stock | eggbeater drills |
298,457 | May 13, 1884 | I.M. Furbish | Hand-drill | eggbeater drills |
356,898 | Feb. 01, 1887 | A. Shepard | Hand-drill | breast drills |
475,949 | May 31, 1892 | C.H. Platt | Drill Stock | eggbeater drills |