| All Patents in class 74/127 |
Patents 76 -
90
of 140
      |
| Number | Date | Patentee | Title | Type |
| 756,388 | Apr. 05, 1904 | W.B. May | Means for converting reciprocatory into rotary motion | spiral screwdrivers |
| 791,766 | Jun. 06, 1905 | Z.T. Furbish | Push screw-driver or drill | spiral screwdrivers |
| 791,767 | Jun. 06, 1905 | Z.T. Furbish | Push-drill | hand drills |
| 814,529 | Mar. 06, 1906 | Z.T. Furbish | Push-drill | hand drills |
| 819,536 | May 01, 1906 | Z.T. Furbish | Shifter-lock for pawl-and-ratchet tools | spiral screwdrivers |
| 873,296 | Dec. 10, 1907 | C.H. Chappelle | Screw-driver | spiral screwdrivers |
| 887,423 | May 12, 1908 | W.M. Pratt | Automatic screw-driver | spiral screwdrivers |
| 902,957 | Nov. 03, 1908 | Z.T. Furbish | Locking mechanism for ratchet screw-drivers | spiral screwdrivers |
| 924,372 | Jun. 08, 1909 | W.A. Peck | Ratchet mechanism | spiral screwdrivers |
| 924,878 | Jun. 15, 1909 | J.I. Baron | Spiral tool-driver | spiral screwdrivers |
| 938,341 | Oct. 26, 1909 | J.B. Ruple | Screw-driver | spiral screwdrivers |
| 942,571 | Dec. 07, 1909 | J.A. Leland | Spiral screw-driver | spiral screwdrivers |
| 942,572 | Dec. 07, 1909 | W.G. Stebbins, J.A. Leland | Automatic tool for boring | hand drills |
| 973,881 | Oct. 25, 1910 | D. Rioux | Spiral tool-driver | spiral screwdrivers |
| 977,957 | Dec. 06, 1910 | G.O. Leopold | Ratchet Mechanism for Screw-Drivers, &c. | ratcheting screwdrivers |
