| Patents for Independent Pneumatic Tool Co. |
Patents 1 -
10
of 27
      |
| Picture | Number | Date | Patentee | Title |
 | 1,053,940 | Feb. 18, 1913 | J. Burke | Universal motor |
 | 1,099,392 | Jun. 09, 1914 | R.A. Norling | Pneumatic-turbine drill |
 | 1,105,669 | Aug. 04, 1914 | R.A. Norling, A. Levedahl | Rivet-set retainer |
| | 1,303,367 | May 13, 1919 | A. Levedahl | Hose-clamp |
| | 1,363,329 | Dec. 28, 1920 | A. Levedahl | Hose-clamp |
| | 1,391,177 | Sep. 20, 1921 | G.H. Du Sell | Chuck |
 | 1,529,910 | Mar. 17, 1925 | R.A. Norling | Grip-handle switch for electric drills |
| | 1,530,505 | Mar. 24, 1925 | A. Levedahl | Stuffing box |
| | 1,559,631 | Nov. 03, 1925 | A. Levedahl | Pneumatic tool |
| | 1,580,617 | Apr. 13, 1926 | A. Levedahl | Rivet-set retainer |
