| Patents Granted on 1912-04-30 |
Patents 1 -
10
of 10
      |
| Number | Date | Patentee | Title | Type |
| D42,445 | Apr. 30, 1912 | H.L. Vaughan | Pocket Bottle Opener | wrenches |
| 1,024,656 | Apr. 30, 1912 | I.W. Sprink | Boring Bar | |
| 1,024,721 | Apr. 30, 1912 | J.E. Davis | Press | veneer machines |
| 1,024,728 | Apr. 30, 1912 | C.J. Jackson | Vise | vises |
| 1,024,775 | Apr. 30, 1912 | L.J. Hanhart | Sawmill set-works | sawmill set works |
| 1,024,818 | Apr. 30, 1912 | J.S. Barnes | Variable Speed Gearing | metalworking speed changing mechanisms |
| 1,024,960 | Apr. 30, 1912 | M. Wolin | Spiral tool-driver | spiral screwdrivers |
| 1,025,017 | Apr. 30, 1912 | J.D. Patnaude | Tool Holder | metal planer tool holders |
| 1,025,048 | Apr. 30, 1912 | C.E. Bratt | Manufacture of cask-staves | barrel making machines |
| 1,025,109 | Apr. 30, 1912 | G.P. Butler | Auger-Bit | auger bits |
