| Patents Granted on 1930-09-23 |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| 1,776,335 | Sep. 23, 1930 | P.E. Rauzières | Tool Holder | insert tool holders |
| 1,776,408 | Sep. 23, 1930 | P.R. Thompson, W.I. Ball | Hitch Mechanism for Tractors | tractors |
| 1,776,415 | Sep. 23, 1930 | G.M. Class | Expanding Ring Friction Device | metalworking power transmission |
| 1,776,450 | Sep. 23, 1930 | R.A. Reid | Sanding machine | floor sanders |
| 1,776,633 | Sep. 23, 1930 | E. Huge, W.L. Libby | Interlocking Control Mechanism | machine tool controls |
| 1,776,661 | Sep. 23, 1930 | F.F. McCue | Plane | plane frogs |
| 1,776,675 | Sep. 23, 1930 | T.D. Bascom | Chuck | drill press chucks |
| 1,776,683 | Sep. 23, 1930 | E.T. Larkin | Automatic Controlling System for Internal Combustion Engines | engine control apparatus |
