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Patents for Massari Brothers Machine Co. | |||||
Number | Date | Patentee | Title | Type | |
D181,400 | Nov. 12, 1957 | S.M. Babbitt | Precision boring machine | drill presses | |
2,816,462 | Dec. 17, 1957 | S.M. Babbitt | Precision boring machine | vertical boring mills |