| Patents Granted on 1920-09-?? |
Patents 1 -
15
of 31
      |
| Number | Date | Patentee | Title | Type |
| 1,351,804 | Sep. 07, 1920 | K.E. Solberg | Measuring Calipers | indicating calipers |
| 1,351,908 | Sep. 07, 1920 | A.F. Howe | Safety-guard for rotary grinding machines | bench or pedestal grinders |
| 1,351,941 | Sep. 07, 1920 | E. Challet | Sliding Calipers | measuring calipers |
| 1,351,969 | Sep. 07, 1920 | H.W. Schatz, A.E. Robinson, A.M. Sosa | Feeding Mechanism for Metal Working Machinery | metalworking machine mechanisms |
| 1,351,970 | Sep. 07, 1920 | H.W. Schatz, A.E. Robinson, A.M. Sosa | Feeding Mechanism for Metal Working Machinery | metalworking machine mechanisms |
| 1,351,998 | Sep. 07, 1920 | W.F. Folmer | Photographic Film Sheath | film and plate holders |
| 1,352,140 | Sep. 07, 1920 | C. Napier | Tempered blade | making sawblades |
| 1,352,150 | Sep. 07, 1920 | E. Schneider | Recorder for Fluid Pressure Presses | hydraulic presses |
| 1,352,183 | Sep. 07, 1920 | C.M. Conradson | Carriage Bed for Lathes | engine lathes |
| 1,352,313 | Sep. 07, 1920 | R. Prew | Auger | tapered reamers |
| 1,352,380 | Sep. 07, 1920 | G.W. Prisbrey | Portable Metal Turning Lathe | portable turning tools |
| 1,352,512 | Sep. 14, 1920 | . | Saw | |
| 1,352,581 | Sep. 14, 1920 | A.A. Clarke | Handle attachment for surface-treating machines | |
| 1,352,582 | Sep. 14, 1920 | A.A. Clarke | Surface-treating device | |
| 1,352,583 | Sep. 14, 1920 | A.A. Clarke | Surface-treating machine | drum sanders |
