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| All Patents in class 414/627 | |||||
| Number | Date | Patentee | Title | Type | |
| 2,019,973 | Nov. 05, 1935 | A. Hormel | Apparatus for feeding metal plates | ||
| 3,934,920 | Jan. 27, 1976 | E.F. Rowekamp | Carriage for Lifting and Spreading Rows of Articles | spacing machines | |