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| Patents for John Shinn | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 204,428 | Jun. 04, 1878 | E.H. Eaton | Improvement in Try Square, Bevel, and Miter | |
 | 639,539 | Dec. 19, 1899 | G.E. Drum | Automatic-operating air-compressor | |