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| Patents for John A. Bell | |||||
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| Number | Date | Patentee | Title | Type | |
| 150,385 | Apr. 28, 1874 | J. Yerkes | Improvement in wedges for tool-handles | hammers | |
| 156,002 | Oct. 13, 1874 | C.A. Warfield | Improvement in bench-knives | knives and cutters | |
| 175,617 | Apr. 04, 1876 | A. Morgan | Improvement in saw-sets | saw sets | |
| 179,167 | Jun. 27, 1876 | H.M. Du Bois | Improvement in polishing-machines | belt sanders | |
| 1,539,987 | Jun. 02, 1925 | J.A. Bell | Adjustable Wrench | quick adjust wrenches | |