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| All Patents in class 53/550 | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,518,808 | Jul. 07, 1970 | W.H. Solomon | Packaging machine article release apparatus | ||
| 3,800,500 | Apr. 02, 1974 | W.H. Solomon | Packaging apparatus | ||
| 4,141,196 | Feb. 27, 1979 | K.R. Blanding | Seal wrapping machine | ||