| Patents Granted on 1920-06-01 |
Patents 1 -
15
of 21
      |
| Number | Date | Patentee | Title | Type |
| D55,387 | Jun. 01, 1920 | P.H. Leckinger | Design for a drill-press frame | drill presses |
| CA-200,539 | Jun. 01, 1920 | P. Jardine | Collapsible tap | taps and dies |
| CA-200,540 | Jun. 01, 1920 | P. Jardine | Collapsible tap | taps and dies |
| 1,341,696 | Jun. 01, 1920 | J.T. Wilkin | Proportional governor | pressure regulators |
| 1,341,700 | Jun. 01, 1920 | G.D. Alexander | Power-wrench | |
| 1,341,701 | Jun. 01, 1920 | G.D. Alexander | Power-driven tool-driver | handheld power tools |
| 1,341,726 | Jun. 01, 1920 | J. Sternaman, Jr., I.A. Weaver | Tire-changing machine | vehicle mechanic |
| 1,341,727 | Jun. 01, 1920 | I.A. Weaver | Tire-changer | vehicle mechanic |
| 1,341,728 | Jun. 01, 1920 | J. Sternaman, I.A. Weaver | Tire-changing appliance | vehicle mechanic |
| 1,341,729 | Jun. 01, 1920 | I.A. Weaver | Tire-changing mechanism | vehicle mechanic |
| 1,341,730 | Jun. 01, 1920 | J. Sternaman, Jr., I.A. Weaver | Tire-removing appliance | vehicle mechanic |
| 1,341,841 | Jun. 01, 1920 | G.H. Cocks | Combination drill-press table and vise | |
| 1,341,865 | Jun. 01, 1920 | K.E. Solberg | Calipering Rule | rule attachments |
| 1,341,882 | Jun. 01, 1920 | A.A. Criqui | Centrifugal fan | fans and blowers |
| 1,341,934 | Jun. 01, 1920 | G.C. Schoenborn | Tool Holder | drilling and boring tool holders |
