| Patents Granted on 1877-03-20 |
Patents 1 -
11
of 11
      |
| Number | Date | Patentee | Title | Type |
| RE7,565 | Mar. 20, 1877 | J.A. Traut, H. Richards | Improvement in bench-planes | bench planes |
| 188,469 | Mar. 20, 1877 | R.E. Kidder | Improvement in copying-presses | printing presses |
| 188,533 | Mar. 20, 1877 | L.H. Olmsted | Improvement in lamps | lamps |
| 188,573 | Mar. 20, 1877 | C. Bopp | Improvement in machines for trimming boxes | box making machines |
| 188,580 | Mar. 20, 1877 | J.L. Perry, A. Bridgman | Improvement in wood-polishing machines | sanding machines |
| 188,604 | Mar. 20, 1877 | T.S. Disston | Improvement in Combined Pruning Shears and Saw | making handsaws |
| 188,605 | Mar. 20, 1877 | J.A. Dodge | Wrench | quick adjust wrenches |
| 188,657 | Mar. 20, 1877 | J. Pennington, J.H. Mosher | Improvement in mitering-machines | miter boxes |
| 188,668 | Mar. 20, 1877 | J. Pleukharp | Improvement in screws | screws |
| 188,688 | Mar. 20, 1877 | W.E. Snediker | Bench Vise | bench vises |
| 188,718 | Mar. 20, 1877 | V. Yantis | Improvement in Levers and Clamps | wrenches |
