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| Patents for Granger Davenport | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,090,508 | Aug. 17, 1937 | G. Davenport, W.F. Zimmermann | Electric Tool Lifter for Shapers | metal shapers | |
| 3,168,005 | Feb. 02, 1965 | T.R. Crocker, G. Davenport | Shaping Machine | metal shapers | |