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Patents for John E. Oslund | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 1,157,800 | Oct. 26, 1915 | J.E. Oslund | Universal Test Indicator | |
![]() | 2,354,046 | Jul. 18, 1944 | J.E. Oslund | Indicator Holder | |
![]() | 2,527,758 | Oct. 31, 1950 | J.E. Oslund | Die Gauge |