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| Patents for Frederick L. Eberhardt | |||||
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| Number | Date | Patentee | Title | Type | |
| 455,391 | Jul. 07, 1891 | U. Eberhardt | Tool-holder | lathe tool holders and tool posts | |
| 461,951 | Oct. 27, 1891 | F.L. Eberhardt, U. Eberhardt | Column Drill Press | ||