| Patents Granted on 1907-04-30 |
Patents 1 -
11
of 11
      |
| Number | Date | Patentee | Title | Type |
| 851,677 | Apr. 30, 1907 | D.C. Griggs, G.B. Lamb | Drop Hammer | power hammers |
| 851,728 | Apr. 30, 1907 | W.J. Bayrer | Spindle-drive | drill presses |
| 851,742 | Apr. 30, 1907 | W.H. Gates | Screw Machine | screw machines |
| 851,794 | Apr. 30, 1907 | W.A. Bernard | Punch, Pliers, &c. | pliers |
| 851,827 | Apr. 30, 1907 | J.A. Mosher | Lamp Burner | railroad car lamps |
| 851,831 | Apr. 30, 1907 | J. Parker | Index Head | indexers and dividers |
| 851,842 | Apr. 30, 1907 | W.T. Sears | Power-transmission device | metalworking machine mechanisms |
| 851,877 | Apr. 30, 1907 | S.S. Fuller | Tool Holder | lathe tool holders and tool posts |
| 851,956 | Apr. 30, 1907 | M.F. McMahon | Friction-clutch for automobiles and other purposes | motor vehicles |
| 852,134 | Apr. 30, 1907 | A. Munch | Tool Holder | lathe tool holders and tool posts |
| 852,145 | Apr. 30, 1907 | E. Stevens | Valve Jack | valve spring tools |
