All Patents in class 408/124 |
Patents 31 -
45
of 118
|
Number | Date | Patentee | Title | Type |
531,382 | Dec. 25, 1894 | F.C. McClary | Reversing Tap Holder | tap and die holders |
540,984 | Jun. 11, 1895 | H.J. Hjorth | Breast or Hand Drill | breast drills |
543,625 | Jul. 30, 1895 | R.H. Henderson, J.G. Henderson | Machine for Boring Joists for Electric Wiring | portable timber borers |
549,849 | Nov. 12, 1895 | R.E. Downs | Geared bitstock useful for overhead drilling, as up through floors or through joists. | |
564,223 | Jul. 21, 1896 | A.D. Quint | Automatic reversing mechanism for tool-holders | drill presses |
569,115 | Oct. 06, 1896 | F. Milliken | Driving mechanism for drills | human powered apparatus |
578,209 | Mar. 02, 1897 | H.A. Carlson | Hollow auger | hollow bits |
602,752 | Apr. 19, 1898 | R. Hikki | Mortising bit | cutters |
606,549 | Jun. 28, 1898 | E. Holmes | Portable electric drill | handheld power tools |
650,795 | May 29, 1900 | W.T. Maxwell, G.J. Spahn | Boring implement | |
676,197 | Jun. 11, 1901 | A. Mill | Radial drill | radial drill presses |
708,177 | Sep. 02, 1902 | W.S. Sherman | Boring-machine | wood drilling and boring |
719,703 | Feb. 03, 1903 | N.R. Thibert | Bit-stock | |
750,744 | Jan. 26, 1904 | J.F. Willey | Portable drill | handheld power tools |
799,968 | Sep. 19, 1905 | H.J. Blaske | Boring-drill | hand drills |