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| Patents for Charles D. Gibson | |||||
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| Number | Date | Patentee | Title | Type | |
| 988,292 | Mar. 28, 1911 | C.D. Gibson, H. Baerbalck | Shaper | metal shapers | |
| 1,003,315 | Sep. 12, 1911 | H. Baerbalck, C.D. Gibson | Gearing | metal lathes | |
| 1,242,679 | Oct. 09, 1917 | C.D. Gibson | Lathe-apron | metal lathes | |