| Patents Granted on 1877-02-06 |
Patents 1 -
12
of 12
      |
| Number | Date | Patentee | Title | Type |
| 186,925 | Feb. 06, 1877 | W. Dicks | Improvements in Adjustable-Grasp Wrenches | quick adjust wrenches |
| 186,954 | Feb. 06, 1877 | H. Richards | Wrench | screw adjust wrenches |
| 186,965 | Feb. 06, 1877 | J.E. Underwood, F.H. Underwood | Improvement in belting | industrial machine pulleys and belt drive mechanisms |
| 186,998 | Feb. 06, 1877 | H.A. Foss | Cutter Adjustment with a Differential Screw | bench planes |
| 187,037 | Feb. 06, 1877 | J.S. Milton | Improvement in machines for jointing staves | barrel making machines |
| 187,052 | Feb. 06, 1877 | F.J. Seybold | Gages | measurement gauges |
| 187,092 | Feb. 06, 1877 | R.D. Bradley | Gas-Engine | gas and gasoline engines |
| 187,112 | Feb. 06, 1877 | C.O. Farciot | Improvement in Carpenters' Gages | marking gauges |
| 187,117 | Feb. 06, 1877 | W.H. Frampton | Improvement in vises for carpenters' benches | bench vises |
| 187,131 | Feb. 06, 1877 | E.P. Cook, J.F. Hall | Improvement in Vises | bench vises |
| 187,138 | Feb. 06, 1877 | L. Houston | Improvement in tenoning-machines | tenoning machines |
| 187,167 | Feb. 06, 1877 | F.B. Norton | Improvement in grinding and polishing surfaces and wheels | grinding wheels |