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| Patents for John Mason | |||||
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| Number | Date | Patentee | Title | Type | |
| GB-184,008,707 | Nov. 19, 1840 | A. Stivens | Improvements in machinery or apparatus, to be used as an universal chuck, for turning and boring purposes | metal lathe chucks | |
| GB-184,410,062 | Feb. 19, 1844 | A. Stiven | Improved simple and compound parallel vice | bench vises | |