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| Patents for Lewis F. Parks | |||||
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| Number | Date | Patentee | Title | Type | |
| 374,425 | Dec. 06, 1887 | L.F. Parks | Tenoning-machine | tenoning machines | |
| 386,653 | Jul. 24, 1888 | L.F. Parks | Tenoning-tool | cutters | |
| 415,394 | Nov. 19, 1889 | L.F. Parks | Tenoning-machine | tenoning machines | |