| Patents Granted on 1930-11-?? |
Patents 1 -
15
of 45
      |
| Number | Date | Patentee | Title | Type |
| DE-511,860 | Nov. 01, 1930 | n. listed | Process and Machine for Centerless Grinding of Workpieces With Several Different Diameters | centerless grinders |
| GB-337,451 | Nov. 03, 1930 | n. listed | Improvements in or Relating to Centerless Grinding Machines | grinding machines |
| 1,780,174 | Nov. 04, 1930 | J.M. Crowe | Portable power saw | handheld circular saws |
| 1,780,176 | Nov. 04, 1930 | A.E. De Koning | Sawing machine | tablesaws |
| 1,780,199 | Nov. 04, 1930 | B.A. Linderman | Fluid-pressure-operated device | vehicle brakes |
| 1,780,200 | Nov. 04, 1930 | B.A. Linderman | Metallic shoe for fluid-pressure-operated brakes | vehicle brakes |
| 1,780,203 | Nov. 04, 1930 | C.L. Mattison | Feed-control means for turning machines | pattern lathes |
| 1,780,222 | Nov. 04, 1930 | E.P. Bullard, Jr., G.F. Kolb | Clutch | |
| 1,780,439 | Nov. 04, 1930 | C. Rasmussen | Metal-sawing machine | power hacksaws |
| 1,780,606 | Nov. 04, 1930 | E.J. Svenson | Tool support for lathes | |
| 1,780,607 | Nov. 04, 1930 | E.J. Svenson | Tool support for lathes | |
| 1,780,849 | Nov. 04, 1930 | P.R. Spillman | Siding Gauge and Scribe | clapboard markers |
| 1,780,886 | Nov. 04, 1930 | J.F. Pribnow, E.F. Mitchell | Circular-saw-sharpening machine | saw sharpening machines |
| FR-692,564 | Nov. 07, 1930 | n. listed | Improvements to Grinding Machines | grinding machines |
| 1,781,110 | Nov. 11, 1930 | H.W. Jacobson | Lubrication System for Shaping Machines | metal shapers |
