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| Patents for Edwin S. Ingraham | |||||
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| Number | Date | Patentee | Title | Type | |
| 919,435 | Apr. 27, 1909 | E.S. Ingraham | Rise-and-fall motion for rivet-machines | ||
| 1,796,790 | Mar. 17, 1931 | E.S. Ingraham | Attachment for automatic screw machines | ||