| Patents Granted on 1880-10-12 |
Patents 1 -
10
of 10
      |
| Number | Date | Patentee | Title | Type |
| RE9,403 | Oct. 12, 1880 | G.J. Shimer | Cutter-head | cutterheads |
| 233,070 | Oct. 12, 1880 | J. Chase | Manufacture of wood pulp for paper | wood grinding machines |
| 233,071 | Oct. 12, 1880 | J. Chase | Wood-pulp engine | wood grinding machines |
| 233,097 | Oct. 12, 1880 | C. Hopkins | Watchmakers Lathe Chuck | metal lathe chucks |
| 233,126 | Oct. 12, 1880 | W.F. Mills, J.J. Thomas | Sawing-machine | drag saws |
| 233,150 | Oct. 12, 1880 | J.L. Haven | Machine for trimming the ends of vehicle-axle boxes | specialty woodworking machines |
| 233,159 | Oct. 12, 1880 | J.B. Mooney | Steamboat-staging | nautical |
| 233,160 | Oct. 12, 1880 | J.B. Mooney | Steamboat-staging | nautical |
| 233,231 | Oct. 12, 1880 | J.G. Benton, H.F. Gaskill | Oil Pump | oilfield machinery |
| 233,306 | Oct. 12, 1880 | R. Weir | Log-canter | sawmill accessories |
