| Patents Granted on 1930-10-?? |
Patents 1 -
15
of 29
      |
| Number | Date | Patentee | Title | Type |
| 1,777,286 | Oct. 07, 1930 | G.W. Aldeen | Mortising machine | mortising machines |
| 1,777,380 | Oct. 07, 1930 | A.J. Prance | Thread-cutting die | tapping heads and chucks |
| 1,777,412 | Oct. 07, 1930 | L.T. Medholdt | Workable for woodworking machines or the like | molders |
| 1,777,429 | Oct. 07, 1930 | R.C. Charlton | Level | metallic levels |
| 1,777,603 | Oct. 07, 1930 | H.J. Breitenbach, F.B. Cockburn | Lathe Bed | metal lathes |
| 1,777,653 | Oct. 07, 1930 | H.C. Rehm | Center Punch | metal punches |
| 1,777,744 | Oct. 07, 1930 | A.A. Breuer | Portable heat blower | blowers |
| 1,777,877 | Oct. 07, 1930 | F. Diehl | Snap switch | electric switches |
| 1,778,452 | Oct. 14, 1930 | H. Ernst | Grinding Machinery | grinding machines |
| 1,778,576 | Oct. 14, 1930 | P.H. Walker | Clamping element for vises and similar articles | bench vises |
| 1,778,579 | Oct. 14, 1930 | E.G. Bartel | Brake band drilling attachment | brake maintenance |
| DE-510,290 | Oct. 17, 1930 | n. listed | Device for Feeding and Removing the Workpieces on Centerless Grinding Machines | centerless grinders |
| 1,778,748 | Oct. 21, 1930 | L.G. Bayner | Wrench | pipe wrenches |
| 1,778,803 | Oct. 21, 1930 | L.S. Hubbert | Hydraulic Plastic Press | hydraulic presses |
| 1,778,949 | Oct. 21, 1930 | H.W. Johnson | Metal Working Tool | |
