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| Patents for Malcolm E. Erskine | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,765,316 | Jun. 17, 1930 | M.E. Erskine, J.S. Toohey | Metal-Sawing Machine | power hacksaws | |
| 1,909,598 | May 16, 1933 | M.E. Erskine, J.S. Toohey | Metal Sawing Machine | power hacksaws | |
| 2,035,465 | Mar. 31, 1936 | W. Reinhardt, M.E. Erskine | Hydraulic Pump | hydraulic pumps | |