| Patents Granted on 1921-09-?? |
Patents 1 -
15
of 33
      |
| Number | Date | Patentee | Title | Type |
| 1,389,581 | Sep. 06, 1921 | C.A. Dies | Wrench | pipe wrenches |
| 1,389,584 | Sep. 06, 1921 | G.W. Goodridge | Splicing Tool | pliers |
| 1,389,731 | Sep. 06, 1921 | W.A. Barker | Chuck | metal lathe chucks |
| 1,389,919 | Sep. 06, 1921 | W.E. Ward | Headstock Mechanism of Lathes | metalworking power transmission |
| GB-168,634 | Sep. 08, 1921 | P. Hunt, H.W. Hunt, H. Hunt | Improvements in twist drill point grinding machines | drill grinders |
| CA-213,309 | Sep. 13, 1921 | H.B. Callander | Clamp for metal pipes | |
| 1,390,371 | Sep. 13, 1921 | C. Meyer | Wrench | automotive specialty wrenches |
| 1,390,443 | Sep. 13, 1921 | J.T. Janette | Bearing-lubricator | motor bearings |
| 1,390,498 | Sep. 13, 1921 | F.R. Chandlee | Glazier's Hammer | hammers |
| 1,390,501 | Sep. 13, 1921 | A.A. Clarke | Motor-driven surface-treating machine | drum sanders |
| 1,390,693 | Sep. 13, 1921 | M.G. Fernandez | Sugar Cane Mill | sugar cane apparatus |
| 1,390,706 | Sep. 13, 1921 | R.T. Hazelton | Machine Tool Trip | metalworking machine mechanisms |
| 1,390,752 | Sep. 13, 1921 | T. Bemis | Carburetor | |
| 1,390,777 | Sep. 13, 1921 | M.B. Gathman | Feeding device | molders |
| GB-168,770 | Sep. 15, 1921 | H. Hodgson | Improvements in endless tracks for vehicles | tracks |
