| Patents for Arthur William Mall |
Patents 1 -
10
of 69
      |
| Picture | Number | Date | Patentee | Title |
 | 1,487,256 | Mar. 18, 1924 | A.W. Mall | Pneumatic abrading cushion |
 | 1,725,361 | Aug. 20, 1929 | A.W. Mall | Surfacing apparatus |
| | 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 |
