| Patents Granted on 1871-04-04 |
Patents 1 -
10
of 10
      |
| Number | Date | Patentee | Title | Type |
| CA-909 | Apr. 04, 1871 | W.H. Barwick | Barwick Improved Wrench | pliers type wrenches |
| 113,261 | Apr. 04, 1871 | A. Clarke | Pincers | pliers |
| 113,262 | Apr. 04, 1871 | H. Climer, C.E. McBeth | Improvement in cutter-heads for planing-machines | cutterheads |
| 113,268 | Apr. 04, 1871 | H.A. Crossley | Improved wheel for stave-jointing machines | cooper |
| 113,344 | Apr. 04, 1871 | W.H. Rand | Drill-stock | watchmaker |
| 113,375 | Apr. 04, 1871 | W.W. Waterbury, J.M. Waterbury | Improvement in sawing-machines | tablesaws |
| 113,412 | Apr. 04, 1871 | G. Finnegan | Improvement in saw-mills | bandsaws |
| 113,439 | Apr. 04, 1871 | E.C. Merrill | Improvement in the manufacture of emery-wheels and artificial stone | grinding wheels |
| 113,448 | Apr. 04, 1871 | M.F. Potts | Sad Iron | pressing irons |
| 113,464 | Apr. 04, 1871 | A.L. Sweet | Cutter-head for making wooden rods | cutterheads |