| Patents for Arthur William Mall |
Patents 1 -
15
of 69
      |
| Number | Date | Patentee | Title | Type |
| 1,487,256 | Mar. 18, 1924 | A.W. Mall | Pneumatic abrading cushion | handheld power sanders |
| 1,725,361 | Aug. 20, 1929 | A.W. Mall | Surfacing apparatus | handheld power sanders |
| 1,943,980 | Jan. 16, 1934 | A.W. Mall | Spindle connecter | |
| 1,980,491 | Nov. 13, 1934 | A.W. Mall | Terrazzo grinding apparatus | |
| 1,987,837 | Jan. 15, 1935 | A.W. Mall | Portable grinding machine | |
| 2,021,241 | Nov. 19, 1935 | A.W. Mall | Quick detachable coupling | |
| 2,040,662 | May 12, 1936 | A.W. Mall | Gasoline motor base for floor surfacer | |
| 2,047,591 | Jul. 14, 1936 | A.W. Mall | Rail surface grinder | |
| 2,062,520 | Dec. 01, 1936 | A.W. Mall | Portable power tool and mounting | |
| 2,073,393 | Mar. 09, 1937 | A.W. Mall | Vibrator for concrete work | |
| 2,081,360 | May 25, 1937 | A.W. Mall | Rail slotter | |
| 2,097,729 | Nov. 02, 1937 | A.W. Mall | Portable power machine | |
| 2,097,730 | Nov. 02, 1937 | A.W. Mall | Terrazzo grinding apparatus | |
| 2,097,731 | Nov. 02, 1937 | A.W. Mall | Clutch mechanism | handheld power tools |
| 2,106,033 | Jan. 18, 1938 | A.W. Mall | Terrazzo grinding apparatus | |
