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| Patents for John B. Sinderson | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,188,339 | Jun. 20, 1916 | J.B. Sinderson | Milling-machine | milling machines | |
| 2,116,262 | May 03, 1938 | B. Granberg, J.B. Sinderson | Attachment for machine tools | ||
| 2,144,735 | Jan. 24, 1939 | B. Granberg, J.B. Sinderson | Machine tool | ||