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| Patents for Graham Mfg. Co. | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 702,011 | Jun. 10, 1902 | J. Kinvall | Device for Removing Broken Taps | |
 | 930,662 | Aug. 10, 1909 | A.W. Graham | Knurling tool for turret lathe | |