| Patents Granted on 1947-04-?? |
Patents 1 -
15
of 18
      |
| Number | Date | Patentee | Title | Type |
| 2,418,217 | Apr. 01, 1947 | J.W. Batchelder | Thread Rolling | thread rolling machines |
| 2,418,220 | Apr. 01, 1947 | I.F. Churchill | Control mechanism for drilling machines | drill presses |
| 2,418,223 | Apr. 01, 1947 | R.E. Flanders | Work Supporting and Moving Mechanism | workpiece changers and storage mechanisms |
| CA-440,632 | Apr. 08, 1947 | H.G. Fischer, L.J. Wendling | Bit | screwdriver bits and holders |
| CA-440,664 | Apr. 08, 1947 | A.M. Stoner | Collet | metal lathe chucks |
| CA-440,665 | Apr. 08, 1947 | A.M. Stoner | Collet | metal lathe chucks |
| 2,418,639 | Apr. 08, 1947 | A.E. Horman | Arm for woodworking machines | radial arm saws |
| 2,418,714 | Apr. 08, 1947 | H.E. Smith, I. Jacobson | Photographic Synchronizing Equipment | camera flash lighting apparatus |
| 2,418,734 | Apr. 08, 1947 | M.J. Steffes | Tool Holder | lathe tool holders and tool posts |
| D146,608 | Apr. 15, 1947 | J.M. Little | Design for a drill press | drill presses |
| 2,418,901 | Apr. 15, 1947 | E.C. Read | Crosshead and guide structure | steam engines |
| 2,419,136 | Apr. 15, 1947 | A.F. Hasty | Honing Mandrel | honing machines |
| 2,419,433 | Apr. 22, 1947 | W.F. Aller | Comparator Gauge | comparators |
| GB-587,363 | Apr. 23, 1947 | P.J. Packman | Improvements in or relating to toggle presses | stamping presses |
| CA-441,034 | Apr. 29, 1947 | E.G. Dryden | Hacksaw blade | hacksaws |
