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| Patents for David C. Klausmeyer, deceased (Estate of) | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,992,311 | Feb. 26, 1935 | A.M. Sosa, H.H. Sundermann, Executor, D.C. Klausmeyer, deceased (Estate of) | Coordinated Electric Head and Column Clamp | metalworking machine mechanisms | |
| 2,022,355 | Nov. 26, 1935 | H.H. Sundermann, Executor, D.C. Klausmeyer, deceased (Estate of) | Discriminating Clamp Actuating Mechanism | metalworking machine mechanisms | |