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| All Patents in class 384/419 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 209,954 | Nov. 19, 1878 | J.W. Bicknell | Improvement in adjustable boxes for paper-calendering rollers | |
 | 1,632,750 | Jun. 14, 1927 | A.J. Vance | Drier for sheet material | |