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| Patents for Fred W. Smith | |||||
| Picture | Number | Date | Patentee | Title | |
| 354,076 | Dec. 07, 1886 | E.E. Webb | Spirit Level | ||
![]() | 437,308 | Sep. 30, 1890 | E.R. Markham | Surface Gage | |
| 925,239 | Jun. 15, 1909 | F.W. Smith | Spark Plug | ||