| Patents Granted on 1880-08-03 |
Patents 1 -
14
of 14
      |
| Number | Date | Patentee | Title | Type |
| 230,603 | Aug. 03, 1880 | D.F. Barber | Countersink | countersinks |
| 230,611 | Aug. 03, 1880 | J.C. Butterfield | Stamp-mill | ore processing apparatus |
| 230,612 | Aug. 03, 1880 | C.M. Brown | Power-hammer | trip and helve hammers |
| 230,619 | Aug. 03, 1880 | S. Darling | Graduated Measuring Rule | rules |
| 230,634 | Aug. 03, 1880 | H.P. Huntoon | Pipe Tongs | pipe tongs |
| 230,640 | Aug. 03, 1880 | W.W. Massey | Folding and Extension Measuring Rod | folding rules |
| 230,663 | Aug. 03, 1880 | F.A. Savage | Spoke-finishing machine | wheelwright |
| 230,698 | Aug. 03, 1880 | R. Eickemeyer | Speaking-telephone | communication apparatus |
| 230,715 | Aug. 03, 1880 | I.L. Penney | Grinding Twist Drills | tool grinders |
| 230,735 | Aug. 03, 1880 | C.R. Brinckerhoff | Boring and mortising machine | portable timber mortisers |
| 230,746 | Aug. 03, 1880 | G.B. Clark | Hand-Drill | hand drills |
| 230,762 | Aug. 03, 1880 | F.L. Fairchild | Traction Engine | steam traction engines |
| 230,766 | Aug. 03, 1880 | R.J. Gardner | Drag-sawing machine | drag saws |
| 230,825 | Aug. 03, 1880 | I.S. Schuyler | Machine for Cutting Screw Threads | metal threading machines |
