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| Patents for H. A. Porter | |||||
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| Number | Date | Patentee | Title | Type | |
| 10,341 | Dec. 20, 1853 | E. Parker | Machine for sawing and planing clapboards | wood planers | |
| 305,208 | Sep. 16, 1884 | C.A. Mahle | Making brush-blocks | specialty woodworking machines | |