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| Patents for John Wahlberg | |||||
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| Number | Date | Patentee | Title | Type | |
| 673,307 | Apr. 30, 1901 | J. Wahlberg | Micrometer Surface Gage | thickness gages | |
| 1,196,188 | Aug. 29, 1916 | J. Wahlberg | Micrometer | micrometers | |