All Patents in class 74/127 |
Patents 31 -
45
of 140
|
Number | Date | Patentee | Title | Type |
391,880 | Oct. 30, 1888 | M. Cashin | Screw-driver | spiral screwdrivers |
394,169 | Dec. 11, 1888 | T. Gosernd | Drill | |
401,604 | Apr. 16, 1889 | G.T. Sutterly | Brace | spiral screwdrivers |
407,842 | Jul. 30, 1889 | A. Schuermann | Tool-driver | spiral screwdrivers |
422,520 | Mar. 04, 1890 | O.Z. Greene | Screw-driver | spiral screwdrivers |
428,012 | May 13, 1890 | J. Lucas | Screw-driver | spiral screwdrivers |
430,901 | Jun. 24, 1890 | H.H. True | Screw-driver | spiral screwdrivers |
447,277 | Feb. 24, 1891 | E. Brown | Push screw-driver | spiral screwdrivers |
452,772 | May 26, 1891 | W.A. Church | Screw-driver | spiral screwdrivers |
454,929 | Jun. 30, 1891 | J.Q. Day | Screw-driver | spiral screwdrivers |
463,506 | Nov. 17, 1891 | H.E. Goodell, A.D. Goodell | Automatic screw-driver | spiral screwdrivers |
464,574 | Dec. 08, 1891 | J.H. Lyon | Screw-driver | spiral screwdrivers |
468,969 | Feb. 16, 1892 | W.B. Swan | Tool-handle | spiral screwdrivers |
470,055 | Mar. 01, 1892 | J.W. Jones | Screw-driver | spiral screwdrivers |
470,176 | Mar. 08, 1892 | F.P. Burkhardt | Mechanical movement | spiral screwdrivers |