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| All Patents in class 198/611 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,117,300 | May 17, 1938 | J. Corser | Rock crushing machine | ore processing apparatus | |
| 2,823,816 | Feb. 18, 1958 | W.B. Eddison | Seal Transferring Apparatus | bottle cappers | |