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| Patents for L. Davidson | |||||
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| Number | Date | Patentee | Title | Type | |
| XC-3,300 | Jun. 28, 1869 | L. Davidson | Improvement in the construction and use of railroad car wheels and crossings | railroad car wheels | |
| XC-3,321 | Jun. 30, 1869 | L. Davidson | Improvements on railway tracks | track and switches | |