| 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 | A.D. Goodell, H.E. 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 |
