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Patents for Alfred M. Thompson | |||||
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Number | Date | Patentee | Title | Type | |
1,200,046 | Oct. 03, 1916 | A.M. Thompson | Screw-Thread-Milling Machine | metal thread milling machines | |
1,200,047 | Oct. 03, 1916 | A.M. Thompson | Work-Holder for Screw-Threading Machines | metalworking machine work holding |