| Patents Granted on 1921-12-?? |
Patents 1 -
15
of 40
      |
| Number | Date | Patentee | Title | Type |
| GB-169,675 | Dec. 01, 1921 | F.P. Schmidt | An Improved Wedge-Adjust Spanner | wedge adjust wrenches |
| D59,926 | Dec. 06, 1921 | A.T. Richardson | Design for an Elevation Scale | |
| D59,927 | Dec. 06, 1921 | A.T. Richardson | Design for an Inspector's Track Level and Gage | levels |
| D59,943 | Dec. 06, 1921 | D.C. Watson | Design for a Level | metallic levels |
| 1,398,978 | Dec. 06, 1921 | H.C. Smith | Tool-Driving Machine | metalworking power transmission |
| 1,399,009 | Dec. 06, 1921 | J.C. Dietrich | Handsaw | handsaws |
| 1,399,137 | Dec. 06, 1921 | J.D. McMicheal | Pressure-guard for woodworking-machines | woodworking machine safety guards |
| 1,399,142 | Dec. 06, 1921 | W.L. Miller | Reamer Head | reamers |
| 1,399,169 | Dec. 06, 1921 | R.A. Trace | Machine for forming oil-cakes | seed or nut oil apparatus |
| 1,399,172 | Dec. 06, 1921 | A. Vaughan | Tool handle holding means | |
| 1,399,173 | Dec. 06, 1921 | F.W. Wappat | Shock-absorber for reversing mechanism | washing machines |
| 1,399,194 | Dec. 06, 1921 | I.L. Cole | Universally Adjustable Work or Tool Holder | metal lathe chucks |
| 1,399,388 | Dec. 06, 1921 | E.E. Jones | Belt-shifter | industrial machine pulleys and belt drive mechanisms |
| 1,399,599 | Dec. 06, 1921 | G.K. Atkinson | Drilling-machine | drill presses |
| 1,399,631 | Dec. 06, 1921 | C.A. Lofdahl, C.J. Lofdahl | Plane-Scraper | scraper planes |
