All Patents in class 74/127 |
Patents 46 -
60
of 140
|
Number | Date | Patentee | Title | Type |
484,004 | Oct. 11, 1892 | G.E. Gay, J.H. Parsons | Screw-driver | spiral screwdrivers |
487,946 | Dec. 13, 1892 | T. Edwards, Jr., J.J. Edwards | Screw-driver | spiral screwdrivers |
492,693 | Feb. 28, 1893 | T.F. McLoughlin | Tool-driver | spiral screwdrivers |
505,165 | Sep. 19, 1893 | J.B. Hughes | Combination screw-driver and tool-handle | spiral screwdrivers |
515,327 | Feb. 27, 1894 | E.A. Eggert | Screw-driver | spiral screwdrivers |
520,519 | May 29, 1894 | J.J. Edwards | Screw-driver | spiral screwdrivers |
528,731 | Nov. 06, 1894 | W.J. Morrison | Combination tool-handle | spiral screwdrivers |
532,145 | Jan. 08, 1895 | J. Defatsch | Hand drill | hand drills |
537,681 | Apr. 16, 1895 | Z.T. Furbish | Ratchet for screw drivers or drills | spiral screwdrivers |
543,096 | Jul. 23, 1895 | J.W. Jones | Screwdriver | spiral screwdrivers |
550,306 | Nov. 26, 1895 | W.T. Welch | Ratchet drill | |
568,341 | Sep. 29, 1896 | T. Edwards, Jr., J.J. Edwards | Screw-driver | spiral screwdrivers |
568,460 | Sep. 29, 1896 | M.H. Schay | Screw-driver | spiral screwdrivers |
575,734 | Jan. 26, 1897 | J.M. Rauhoff | Drilling or similar tool | spiral screwdrivers |
588,879 | Aug. 24, 1897 | J.M. Rauhoff | Tool | spiral screwdrivers |