| Patents Granted on 1912-04-?? |
Patents 1 -
15
of 67
      |
| Number | Date | Patentee | Title | Type |
| 1,021,829 | Apr. 02, 1912 | A.F. Ewart, W.J. Dyer | Sugar Cane Mill | sugar cane apparatus |
| 1,021,848 | Apr. 02, 1912 | B. Rindfleisch | Floating tool-holder | milling machine tools |
| 1,021,875 | Apr. 02, 1912 | C.L. Libby | Gearing | metal lathes |
| 1,022,166 | Apr. 02, 1912 | D. Weir | Chuck | drill press chucks |
| 1,022,177 | Apr. 02, 1912 | B. Brazelle | Internal-combustion motor | gas and gasoline engines |
| 1,022,178 | Apr. 02, 1912 | B. Brazelle | Internal-combustion motor | gas and gasoline engines |
| 1,022,311 | Apr. 02, 1912 | T.J. Fegley | Spiral Screw-Driver and Drill | spiral screwdrivers |
| 1,022,349 | Apr. 02, 1912 | W.A. Barker | Multiple hoist | hoists, winches, come-alongs |
| GB-191,105,422 | Apr. 04, 1912 | C.W. James | Improvements in Machines for Drilling and Boring Metals. | radial drill presses |
| GB-191,203,825 | Apr. 04, 1912 | H.W. Durham | Improvements in Travelling Carriages of Horizontal Log Band Sawing Machines | sawmill carriages |
| D42,397 | Apr. 09, 1912 | A. Muehlmatt | Design for an engravers's block | |
| 1,022,427 | Apr. 09, 1912 | J. Lee | Screw holding screwdriver | screwdriver blades |
| 1,022,450 | Apr. 09, 1912 | C.H. Waymoth | Spindle-turning lathe | wood lathes |
| 1,022,479 | Apr. 09, 1912 | J.P. Hedstrom | Rest for saw-sharpening machines | saw sharpening machines |
| 1,022,489 | Apr. 09, 1912 | W.W. Lyons | Pincers, Pliers and the Like | nippers |
