| Patents Granted on 1877-01-23 |
Patents 1 -
10
of 10
      |
| Number | Date | Patentee | Title | Type |
| RE7,475 | Jan. 23, 1877 | T. Shaw | Power Hammer | power hammers |
| 186,419 | Jan. 23, 1877 | J.B. Pricke | Draftsman's Compass | compasses |
| 186,513 | Jan. 23, 1877 | D.J. Adams | Improvement in Countersinks | countersinks |
| 186,535 | Jan. 23, 1877 | F. Brown | Improvement in caloric-engines | hot air engines |
| 186,541 | Jan. 23, 1877 | C.I. Chaffee | Improvement in guides for circular saws | circular saws |
| 186,564 | Jan. 23, 1877 | C. Hopkins | Treadle | human powered apparatus |
| 186,575 | Jan. 23, 1877 | S.N. Jessop | Pipe-Tongs | pipe tongs |
| 186,588 | Jan. 23, 1877 | D. Maydole | Forging Adz-Eye Claw-Hammers | hammers |
| 186,590 | Jan. 23, 1877 | D. Maydole | Dies For Forging Hammers | hammers |
| 186,638 | Jan. 23, 1877 | W. Thomson | Compass needle combines ultra-low friction with high polar moment of inertia. | |
