| Patents for Socrates Scholfield |
Patents 31 -
45
of 63
      |
| Number | Date | Patentee | Title | Type |
| 442,020 | Dec. 02, 1890 | S. Darling | Vernier Scale | |
| 446,233 | Feb. 10, 1891 | B.G. Luther | Back-gearing mechanism | metalworking power transmission |
| 451,991 | May 12, 1891 | J.A. Abbots | Carriage-Wrench | axle nut wrenches |
| 458,325 | Aug. 25, 1891 | A.T. Gifford | Milling-machine | milling machines |
| 458,934 | Sep. 01, 1891 | J.S. Barden | Pipe Wrench | pliers type wrenches |
| 468,882 | Feb. 16, 1892 | B.G. Luther | Sawing-machine | tablesaws |
| 470,864 | Mar. 15, 1892 | S. Darling | Key Seat Rule | special purpose gauges |
| 477,104 | Jun. 14, 1892 | S. Darling | Caliper Rule | measurement gauges |
| 477,105 | Jun. 14, 1892 | S. Darling | Caliper Rule | measurement gauges |
| 477,183 | Jun. 14, 1892 | G.D. McLane | Caliper Rule | measurement gauges |
| 494,529 | Mar. 28, 1893 | H.F. Jenks | Pipe Wrench | pipe wrenches |
| 522,223 | Jul. 03, 1894 | B.G. Luther | Carrier-chain for feeding boards to woodworking-machines | woodworking machine stockfeeding mechanisms |
| 542,020 | Jul. 02, 1895 | A.J. Langelier | Swaging-machine | metal swaging machines |
| 542,021 | Jul. 02, 1895 | A.J. Langelier | Swaging-machine | metal swaging machines |
| 552,379 | Dec. 31, 1895 | A.J. Langelier | Multiple drill | multiple spindle drill presses |