| Patents Granted on 1921-06-21 |
Patents 1 -
13
of 13
      |
| Number | Date | Patentee | Title | Type |
| 1,381,900 | Jun. 21, 1921 | W. Barnes | Socket Wrench | wrench handle components |
| 1,381,997 | Jun. 21, 1921 | . | Handsaw | |
| 1,382,003 | Jun. 21, 1921 | H.W. Lightner | Drill-holder | drill sharpening machines |
| 1,382,247 | Jun. 21, 1921 | R. Schäfer | Device for operating the jaws of spanners and the like | quick adjust wrenches |
| 1,382,248 | Jun. 21, 1921 | R. Schäfer | "VELOX" | wedge adjust wrenches |
| 1,382,293 | Jun. 21, 1921 | W.H. Kennedy | Riveting Machine | riveting machines |
| 1,382,320 | Jun. 21, 1921 | C. Yunker, E. Riley | Bolt and Nut Holder | socket wrenches |
| 1,382,339 | Jun. 21, 1921 | E.P. Bullard, Jr. | Tool-Slide for Machine-Tools | |
| 1,382,340 | Jun. 21, 1921 | E.P. Bullard, Jr. | Controling Means for Machine Tools | machine tool controls |
| 1,382,413 | Jun. 21, 1921 | B.T. Carson | Tool Holder | lathe tool holders and tool posts |
| 1,382,448 | Jun. 21, 1921 | G.H. Wilkins | Hacksaw-frame | hacksaws |
| 1,382,460 | Jun. 21, 1921 | K. Berglof | Micrometer Protractor | protractors |
| 1,382,529 | Jun. 21, 1921 | S.S. Morton | Lever-Lock | locks |
