| Patents Granted on 1871-01-31 |
Patents 1 -
15
of 20
      |
| Number | Date | Patentee | Title | Type |
| D4,615 | Jan. 31, 1871 | J.M. Cook | Design for a Plow-Clevis | clevises |
| 111,296 | Jan. 31, 1871 | E.H. Adgate | Improvement in adjustable reamers | tapered reamers |
| 111,308 | Jan. 31, 1871 | O. Bonney, Jr. | Improvement in horse hay-rakes | |
| 111,311 | Jan. 31, 1871 | A.H. Brainard | Improvement in Head Stocks for Milling Machines | indexers and dividers |
| 111,314 | Jan. 31, 1871 | E.W. Bullard | Hay Tedder | hay or straw spinners |
| 111,328 | Jan. 31, 1871 | W.H. Dobson | Improvement in scroll-saws | scrollsaws |
| 111,333 | Jan. 31, 1871 | F. Ficht | Improvement in machines for splitting wood | wood splitting machines |
| 111,337 | Jan. 31, 1871 | C.E. Gale | Carpet Stretcher | carpet stretchers |
| 111,351 | Jan. 31, 1871 | J. Kirby | Improvement in bung-extractors | |
| 111,352 | Jan. 31, 1871 | J. Kirby | Improvement in bungs | |
| 111,379 | Jan. 31, 1871 | W. Porter | Improvement in shingle-machines | shingle machines |
| 111,396 | Jan. 31, 1871 | E. Sprague | Woodworker's Leg Vise | leg vises |
| 111,404 | Jan. 31, 1871 | I.P. Tice | Improvement in Digging-Machines | steam traction engines |
| 111,414 | Jan. 31, 1871 | C.T. Watson | Improvement in stave-sawing machines | barrel making machines |
| 111,415 | Jan. 31, 1871 | C. Wolff, Sr., C. Wolff, Jr. | Improvement in machines for disintegrating wood | wood grinding machines |