| Patents Granted on 1921-11-15 |
Patents 1 -
11
of 11
      |
| Number | Date | Patentee | Title | Type |
| D59,678 | Nov. 15, 1921 | A.H. Petersen | Design for an electric drill | handheld power drills |
| 1,396,728 | Nov. 15, 1921 | P.E. Chapman | Unreeling and tension device | electric motor making |
| 1,396,762 | Nov. 15, 1921 | G.L. Kraber | Rotor for cutter-heads | handheld power planers |
| 1,396,861 | Nov. 15, 1921 | W.J. Lucks | Valve Grinder | valve grinding tools |
| 1,396,863 | Nov. 15, 1921 | J.L. Mayhew | Pliers | pliers |
| 1,396,956 | Nov. 15, 1921 | P.R. Hawthorne | Tractor | tractors |
| 1,397,014 | Nov. 15, 1921 | J.W. Oliver | Rotatable tool-carrier for planing-machines, etc. | wood planers |
| 1,397,210 | Nov. 15, 1921 | R.T. Hazelton | Automatic Table Lowering Attachment | milling machine accessories |
| 1,397,214 | Nov. 15, 1921 | T.S. Hose | Wrench | screw adjust wrenches |
| 1,397,262 | Nov. 15, 1921 | H. Butt | Wrench | quick adjust wrenches |
| 1,397,277 | Nov. 15, 1921 | V.A. Fynn | Ignition-switch | |
