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| Patents for Joseph Verderber | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,167,189 | Jul. 25, 1939 | J. Verderber | Machine Tool | metalworking machines | |
| RE21,795 | May 06, 1941 | J. Verderber | Machine Tool | metalworking machines | |
| 2,350,432 | Jun. 06, 1944 | J. Verderber | Measuring Device | measurement gauges | |
| 2,568,524 | Sep. 18, 1951 | J. Verderber | Precision Measuring Device | measurement gauges | |
| 2,663,598 | Dec. 22, 1953 | J. Verderber | Precision Measuring Device | ||