| Patents Granted on 1840-08-12 |
Patents 1 -
5
of 5
      |
| Number | Date | Patentee | Title | Type |
| 1,717 | Aug. 12, 1840 | E. Carver | Machine for Cutting the Teeth of Circular Saws | annular saws |
| 1,718 | Aug. 12, 1840 | E. Carver | Machine for filing or smoothing the teeth of saws | saw sharpening machines |
| 1,719 | Aug. 12, 1840 | T. Denderdine, Jr. | Machine for sawing stuff circular | reciprocating saws |
| 1,720 | Aug. 12, 1840 | J. Keane, T. Keane, S. Kane | Screw-Wrench | screw adjust wrenches |
| 1,721 | Aug. 12, 1840 | J.P. McDowell | Machine for sawing and splitting timber | circular saws |
