| Patents Granted on 1870-04-12 |
Patents 1 -
15
of 17
      |
| Number | Date | Patentee | Title | Type |
| RE3,918 | Apr. 12, 1870 | G.C. Taft | Improvement in Wrenches | wrench handle components |
| 101,701 | Apr. 12, 1870 | B.J. Barber | Improvement in cutter-head for planing-machine | cutterheads |
| 101,730 | Apr. 12, 1870 | E.F. Harrington | Improvement in cork-cutting machines | bung making machines |
| 101,754 | Apr. 12, 1870 | P. Merrill | Improvement in saw-clamp | saw vises |
| 101,760 | Apr. 12, 1870 | P. Neeb | Improvement in circular-saw mills | circular sawmills |
| 101,782 | Apr. 12, 1870 | W. Steele | Improvement in veneer-cutters | cutters |
| 101,788 | Apr. 12, 1870 | E.A. Tripp | Improvement in scroll-sawing machines | scrollsaws |
| 101,796 | Apr. 12, 1870 | A. Wheeler | Improved Countersink | countersinks |
| 101,804 | Apr. 12, 1870 | O. Abell | Improved wooden box | box making machines |
| 101,809 | Apr. 12, 1870 | L.A. Aspinwall | Corn Husker | corn huskers |
| 101,832 | Apr. 12, 1870 | H. Chwatal | Improvement in pressure-gauges | steam pressure gauges |
| 101,897 | Apr. 12, 1870 | R. McChesney | Improvement in scroll-saws | scrollsaws |
| 101,903 | Apr. 12, 1870 | J.I. Munroe | Improvement in bung-cutter | cutters |
| 101,938 | Apr. 12, 1870 | R.H. Strong | Improvement in saw-filing machine | saw sharpening machines |
| 101,942 | Apr. 12, 1870 | T. Taylor | Improved Method of Manufacturing Circular Saws | making sawblades |
