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| Patents for Walter R. Close | |||||
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| Number | Date | Patentee | Title | Type | |
| 91,826 | Jun. 29, 1869 | W.R. Close | Improvement in shingle-machine | shingle machines | |
| RE4,371 | May 09, 1871 | W.R. Close | Improvement in shingle-machines | shingle machines | |