| Patents Granted on 1921-??-?? |
Patents 1 -
15
of 548
      |
| Number | Date | Patentee | Title | Type |
| D56,895 | Jan. 04, 1921 | G.E. Sharp | Wrench | automotive specialty wrenches |
| 1,364,205 | Jan. 04, 1921 | A.E. Pearson | Combined Lathe Center and Dog | lathe dogs |
| 1,364,324 | Jan. 04, 1921 | J. Siakel | Sandpapering-machine | belt sanders |
| 1,364,356 | Jan. 04, 1921 | A.E. De Koning | Sawing-machine | tablesaws |
| 1,364,361 | Jan. 04, 1921 | G.W. Emrick | Drill-chuck | drill chucks |
| 1,364,534 | Jan. 04, 1921 | F.L. Walter | Gage | metal lathe accessories and attachments |
| 1,364,747 | Jan. 04, 1921 | E.T. Gorham | Universal drill-grinder | drill grinders |
| 1,364,823 | Jan. 04, 1921 | J.J. Aull | Gas Engine Primer | fuel primers |
| 1,364,829 | Jan. 04, 1921 | M.M. Berg | Combination Tool | pliers |
| 1,364,869 | Jan. 11, 1921 | E.R. Draver | Liquid-feed regulator | |
| 1,364,925 | Jan. 11, 1921 | H.F. Fischer | Detachable Milling Head for Shapers | metal shaper accessories |
| 1,364,937 | Jan. 11, 1921 | O.R. Kirkpatrick | Monkey Wrench | quick adjust wrenches |
| 1,365,071 | Jan. 11, 1921 | W.A. Abegg | Socket Wrench | socket wrenches |
| 1,365,203 | Jan. 11, 1921 | A.H. Starrett | Tool maker's button | |
| 1,365,289 | Jan. 11, 1921 | C. Snell | Center Gage and Micrometer | center finders |
