| Patents Granted on 1912-04-23 |
Patents 1 -
15
of 15
      |
| Number | Date | Patentee | Title | Type |
| RE13,408 | Apr. 23, 1912 | D.A. Sine | Drill Holder | tool storage |
| 1,023,867 | Apr. 23, 1912 | H.M. Norris | Gearing | metalworking speed changing mechanisms |
| 1,023,930 | Apr. 23, 1912 | W.F. Folmer | Photographic Camera | cameras |
| 1,023,931 | Apr. 23, 1912 | W.F. Folmer | Camera | cameras |
| 1,023,932 | Apr. 23, 1912 | W.F. Folmer | Photographic Camera | cameras |
| 1,023,933 | Apr. 23, 1912 | W.F. Folmer | Film Winding Key for Cameras | cameras |
| 1,023,959 | Apr. 23, 1912 | K. Peterson | Sector Cutting Saw | making wrenches |
| 1,024,007 | Apr. 23, 1912 | G.J. Karle | Saw Jointer | circular saw accessories |
| 1,024,025 | Apr. 23, 1912 | G.H. Rowe | Percussion device | impact chisels and drills |
| 1,024,026 | Apr. 23, 1912 | G.H. Rowe | Electromechanical device | impact chisels and drills |
| 1,024,027 | Apr. 23, 1912 | G.H. Rowe | Electromechanical device | power hammers |
| 1,024,126 | Apr. 23, 1912 | M.D. Fletcher | Wheel Dresser and Tool Holder | grinder dressers |
| 1,024,220 | Apr. 23, 1912 | H.M. Norris | Gearing | metalworking speed changing mechanisms |
| 1,024,309 | Apr. 23, 1912 | E.P. Bullard, Jr. | Adjusting Device for Feed Shafts | metalworking machine mechanisms |
| 1,024,388 | Apr. 23, 1912 | G.H. Bartlett | Tool Holding Box | tool storage |
