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| Patents for Benjamin F. Allen | |||||
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| Picture | Number | Date | Patentee | Title | |
| 123,604 | Feb. 13, 1872 | B.F. Allen | Improvement in Cutting Tools | ||
 | 148,277 | Mar. 10, 1874 | B.F. Allen | Machine for boring chairs | |
 | 162,001 | Apr. 13, 1875 | B.F. Allen | Improvement in chairs | |
 | 251,686 | Jan. 03, 1882 | B.F. Allen | Boring-machine | |