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| Patents for J. M. Geoghegan | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,259,855 | Mar. 19, 1918 | E.E. Greve | Rotary Drilling Apparatus | ||
| 1,281,512 | Oct. 15, 1918 | J.A. Carothers | Saw Grinding Machine | saw sharpening machines | |