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| Patents for Louis C. Woerner | |||||
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| Number | Date | Patentee | Title | Type | |
| 644,310 | Feb. 27, 1900 | F. Harrington, L.C. Woerner | Multiple Spindle Screw Machine | screw machines | |
| 869,762 | Oct. 29, 1907 | L.C. Woerner | Limit Micrometer Gage | micrometers | |
| 870,403 | Nov. 05, 1907 | L.C. Woerner | Micrometer Gage | inside micrometers | |