| Patents Granted on 1921-03-22 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 1,372,006 | Mar. 22, 1921 | F.J. De Bruin | Sugar Cane Mill | sugar cane apparatus |
| 1,372,033 | Mar. 22, 1921 | W.A. Marschke, F.W. Marschke | Grinder-hood | |
| 1,372,045 | Mar. 22, 1921 | R.G. Sedgewick | Valve grinder | handheld power tools |
| 1,372,075 | Mar. 22, 1921 | L.J. Kirchenbauer | Crank Pin Lathe | crank pin lathes |
| 1,372,241 | Mar. 22, 1921 | J. McGhee | Pipe-Wrench | pipe wrenches |
| 1,372,252 | Mar. 22, 1921 | W.T. Sears | Drilling-machine | radial drill presses |
| 1,372,433 | Mar. 22, 1921 | F. Janusch | Vernier Surface Gage | surface gauges |
