| Patents Granted on 1930-12-16 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 1,784,908 | Dec. 16, 1930 | J.C. Regan | Differential Chuck | metal lathe chucks |
| 1,785,055 | Dec. 16, 1930 | N.A. Strand | Driving Mechanism | polishing and buffing machinery |
| 1,785,065 | Dec. 16, 1930 | B.L. Aborn | Rotary saw | handheld power tool accessories |
| 1,785,351 | Dec. 16, 1930 | W.M. Knourek | Mortising tool | mortise chisels |
| 1,785,455 | Dec. 16, 1930 | H.G. Mueller | Steam Engine | steam engines |
| 1,785,501 | Dec. 16, 1930 | J.A. Secor | Method of and Apparatus for Reatomizing Fuel | carburetors |
