| Patents Granted on 1881-02-?? |
Patents 1 -
15
of 59
      |
| Number | Date | Patentee | Title | Type |
| CA-12,302 | Feb. 01, 1881 | F. Brown | Improvement on fog signals | nautical fog signals |
| 237,105 | Feb. 01, 1881 | A. French | Chuck for Watchmakers Lathes | metal lathe chucks |
| 237,118 | Feb. 01, 1881 | P. Medart | Split belt-pulley | industrial machine pulleys and belt drive mechanisms |
| 237,161 | Feb. 01, 1881 | J.H. Brown | Machine for sawing kindling-wood | firewood machines |
| 237,190 | Feb. 01, 1881 | G.W. Kaufman | Wrench | tire bolt wrenches |
| 237,277 | Feb. 01, 1881 | G. Hodges | Windmill | wind power apparatus |
| 237,283 | Feb. 01, 1881 | N. Jenkins | Machinery for dovetailing wood, stone, &c. | dovetailing machines |
| 237,284 | Feb. 01, 1881 | N. Jenkins | Machine for dressing or paneling stone, wood, or other material | stone dressing machines |
| 237,294 | Feb. 01, 1881 | D. Lane | Shingle-sawing machine | shingle machines |
| 237,296 | Feb. 01, 1881 | E.E. Leach | Combined anvil and vise | anvil vises |
| 237,310 | Feb. 01, 1881 | W.F. Niles | Cutter for Turning Lathes | lathe tools |
| 237,311 | Feb. 01, 1881 | F.B. Norton | Art of Preparing Emery in the Manufacture of Grinding Stones | grinder wheels |
| 237,331 | Feb. 01, 1881 | W.E. Snediker | Vise | bench vises |
| 237,350 | Feb. 01, 1881 | A. Weed | Chisel-holder for file-cutting machine | file cutting machines |
| 237,354 | Feb. 01, 1881 | A.B. Wood | Steam Governor | steam engine governors |