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| All Patents in class 156/DIG.27 | |||||
| Number | Date | Patentee | Title | Type | |
| 2,843,252 | Jul. 15, 1958 | W.E. Erickson, W.B. Eddison | Spotting Device | bottle cappers | |
| 2,873,842 | Feb. 17, 1959 | W.E. Erickson | In-Line Spotter with Bottle Pocketing Control | bottle cappers | |