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Patents for Manufacturers Machine Products Co. | |||||
Number | Date | Patentee | Title | Type | |
1,341,934 | Jun. 01, 1920 | G.C. Schoenborn | Tool Holder | drilling and boring tool holders | |
CA-216,497 | Mar. 07, 1922 | G.C. Schoenborn | Porte-Outil | drilling and boring tool holders |