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| Patents for Gustaf David Sundstrand | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,781,416 | Nov. 11, 1930 | G.D. Sundstrand | Pump | ||
| 1,789,886 | Jan. 20, 1931 | G.D. Sundstrand | Feeding mechanism for machine tools | ||
| 1,800,267 | Apr. 14, 1931 | G.D. Sundstrand | Over-arm-clamping means | ||
| 1,809,949 | Jun. 16, 1931 | G.D. Sundstrand | Machine tool | ||
| 1,931,171 | Oct. 17, 1933 | G.D. Sundstrand | Feed mechanism for machine tools | ||
| 1,947,234 | Feb. 13, 1934 | G.D. Sundstrand | Machine for truing brake drums | brake maintenance | |