| All Patents in class 74/127 |
Patents 16 -
30
of 140
      |
| Number | Date | Patentee | Title | Type |
| 281,068 | Jul. 10, 1883 | J.H. Hoague | Hand-drill | hand drills |
| 284,799 | Sep. 11, 1883 | D.F. Barber | Hand-drill | hand drills |
| 301,915 | Jul. 15, 1884 | C.H. Olson | Screw-driver | spiral screwdrivers |
| 306,096 | Oct. 07, 1884 | C.H. Olson | Screw-driver | spiral screwdrivers |
| 327,780 | Oct. 06, 1885 | N. Fellers | Screw driver | spiral screwdrivers |
| 339,277 | Apr. 06, 1886 | J.R. Doolittle | Screw driver | spiral screwdrivers |
| 354,359 | Dec. 14, 1886 | J.C. Spencer | Handle for screw-drivers and other tools | spiral screwdrivers |
| 355,276 | Dec. 28, 1886 | A.W. Morgan | Bit-stock | |
| 355,392 | Jan. 04, 1887 | N. Fellers | Screw-driver | spiral screwdrivers |
| 361,227 | Apr. 12, 1887 | A.W. Morgan | Bit-stock | |
| 370,734 | Sep. 27, 1887 | J. Fryxell | Ratchet screw-driver or drill | spiral screwdrivers |
| 377,783 | Feb. 14, 1888 | G.F. Shaver | Rotary tool driver | spiral screwdrivers |
| 383,031 | May 15, 1888 | A. Allgoever | Drill-stock | hand drills |
| 385,414 | Jul. 03, 1888 | G.W. Huber | Brace for screw-drivers, bits, etc. | spiral screwdrivers |
| 389,613 | Sep. 18, 1888 | W. Thiem | Mechanism for operating drills | wood drilling and boring |
