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| Patents for L. J. Parsons | |||||
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| Number | Date | Patentee | Title | Type | |
| 64,444 | May 07, 1867 | L.J. Parsons | Improvement in attaching bits to braces | brace chucks | |
| 89,335 | Apr. 27, 1869 | L.J. Parsons | Improved Tool Adjuster for Lathes | metal lathe accessories and attachments | |