All Patents in class 74/841 |
Patents 46 -
60
of 71
|
Number | Date | Patentee | Title | Type |
520,142 | May 22, 1894 | A. Goddard | Drilling-machine | drill presses |
534,180 | Feb. 12, 1895 | C.E. Martin, A.J. Smart | Drilling-machine | drill presses |
550,306 | Nov. 26, 1895 | W.T. Welch | Ratchet drill | |
577,556 | Feb. 23, 1897 | H.B. Keiper | Drill | drill presses |
610,455 | Sep. 06, 1898 | J. McSweeny | Hand-drill | hand drills |
613,748 | Nov. 08, 1898 | J.A. Wilson | Drilling-machine | rail drilling machines |
634,502 | Oct. 10, 1899 | M.M. Moore | Drill | rail drilling machines |
642,138 | Jan. 30, 1900 | H.K. Lee | Machine for boring metal | horizontal boring mills |
669,407 | Mar. 05, 1901 | M. Backstrom | Feed mechanism for drilling, boring, or like machines | drill presses |
698,242 | Apr. 22, 1902 | S.A. Baker | Drilling-machine | multiple spindle drill presses |
767,282 | Aug. 09, 1904 | H.B. Keiper | Drilling-machine | drill presses |
802,060 | Oct. 17, 1905 | C.E. Stone | Drill | woodworking post drills |
979,073 | Dec. 20, 1910 | H.B. Keiper | Drilling-machine | drill presses |
1,103,782 | Jul. 14, 1914 | G.O. Leopold | Bench-drill | drill presses |
1,135,974 | Apr. 13, 1915 | C.J. Wetsel | Multiple-spindle drilling-machine | multiple spindle drill presses |