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| All Patents in class 198/779 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,776,038 | Jan. 01, 1957 | H.F. Caldwell | Label machine feeding and timing mechanism | ||
| 3,653,489 | Apr. 04, 1972 | L.C. Tullis | Power Conveyor System for Production Lines | workpiece changers and storage mechanisms | |