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| All Patents in class 227/80 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 215,505 | May 20, 1879 | J.W. Bicknell, C. Carr | Improvement in machines for uniting paper | ||
| 502,656 | Aug. 01, 1893 | H. Campbell | Doweling machine | ||