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| Patents for John J. Grant | |||||
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| Number | Date | Patentee | Title | Type | |
| 932,607 | Aug. 31, 1909 | J.J. Grant | Thread-cutting attachment for automatic lathes | automatic lathes | |
| 1,053,984 | Feb. 25, 1913 | J.J. Grant | Gearing | tapping machines | |
| 1,127,754 | Feb. 09, 1915 | J.J. Grant | Nut-machine | nut or bolt making machines | |
| 1,377,799 | May 10, 1921 | J. Brock | Horseshoe-punching machine | horseshoe making machines | |
| 1,523,748 | Jan. 20, 1925 | J. Brock | Horseshoe-punching machine | horseshoe making machines | |