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| All Patents in class 198/434 | |||||
| Number | Date | Patentee | Title | Type | |
| 395,978 | Jan. 08, 1889 | T.B. Hyman | Mechanism for conveying and distributing lumber | woodworking machine material handling | |
| 3,129,823 | Apr. 21, 1964 | G.A. Bilocq | Centering mechanism for paper rolls and the like | ||
| 4,329,112 | May 11, 1982 | C.G. Glover | Transfer Apparatus for Pattern-Changing Mechanism | sorting apparatus | |