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| Patents for John Stromberg | |||||
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| Number | Date | Patentee | Title | Type | |
| 570,189 | Oct. 27, 1896 | J. Stromberg | Micrometer Gage | micrometers | |
| 694,804 | Mar. 04, 1902 | J. Stromberg | Micrometer Gage | micrometers | |