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| Patents for B. Joffe | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 1,138,462 | May 04, 1915 | J.J. Eagan | Valve Spring Compressor | |
 | 1,210,147 | Dec. 26, 1916 | E. Cederberg | Door-Scriber and Gage | |
 | 1,254,607 | Jan. 22, 1918 | W.F. Koch | Micrometer | |