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| Patents for E. G. Johnson | |||||
| Picture | Number | Date | Patentee | Title | |
![]() | 179,456 | Jul. 04, 1876 | L.M. Johnson | Improvements in Monkey-Wrenches | |
![]() | 1,086,752 | Feb. 10, 1914 | J. Burke | Block-signal system | |