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| Patents for Gerhard G. Baumbach | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,843,024 | Jul. 15, 1958 | G.G. Baumbach, F. Zankl, T.A. Wetzel, J.B. Armitage | Dual Transmission and Control Mechanism | milling machines | |
| 2,988,965 | Jun. 20, 1961 | F. Zankl, G.G. Baumbach, T.A. Wetzel, J.B. Armitage | Spindle Construction and Dual Transmission Therefor | milling machines | |