| Patents Granted on 1880-10-19 |
Patents 1 -
13
of 13
      |
| Number | Date | Patentee | Title | Type |
| RE9,419 | Oct. 19, 1880 | L.S. Starrett | Try Square | try squares |
| 233,320 | Oct. 19, 1880 | A.L. Brewer | Auger or Forcing Screw for Brick and Tile Machines | archimedean screws |
| 233,358 | Oct. 19, 1880 | H.H. Leistner, C.E. Leistner | Tape-measure | tape measures |
| 233,403 | Oct. 19, 1880 | J.M. De Coster | Drag-saw | drag saws |
| 233,409 | Oct. 19, 1880 | W. Gowen | Set-work for saw-mills | sawmill set works |
| 233,464 | Oct. 19, 1880 | Q.S. Backus | Bit-stock | |
| 233,471 | Oct. 19, 1880 | J. Naylor, Jr., D.H. Burrell | Machine for dressing and finishing barrel-hoops | hoop making machines |
| 233,472 | Oct. 19, 1880 | J. Naylor, Jr., D.H. Burrell | Machine for cutting barrel-hoops from the log | hoop making machines |
| 233,488 | Oct. 19, 1880 | S. Darling | Art of Manufacturing Mathematical Instruments | |
| 233,507 | Oct. 19, 1880 | L.F. Hiatt | Wrench | ratchet wrenches |
| 233,509 | Oct. 19, 1880 | J.V. Hoffman | Lathe Tool | lathe tool holders and tool posts |
| 233,545 | Oct. 19, 1880 | S. Prévost | Combined Setting Rule and Bodkin | rules |
| 233,563 | Oct. 19, 1880 | C.A. Sherman | Circular-saw guide | circular saw accessories |
