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| Patents for L. D. Stevens | |||||
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| Number | Date | Patentee | Title | Type | |
| 13,016 | Jun. 05, 1855 | J.D. Spiller | Bench-rest | workbenches | |
| 122,647 | Jan. 09, 1872 | J. Palmer | Improvements in Power Hammers | power hammers | |