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| Patents for Herbert Sefton-Jones | |||||
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| Number | Date | Patentee | Title | Type | |
| GB-190,708,165 | Sep. 05, 1907 | H.R. McLellan, H. Sefton-Jones | An improved machine for slotting nuts | nut or bolt making machines | |
| GB-190,708,166 | Sep. 05, 1907 | H.R. McLellan, H. Sefton-Jones | An improved machine for manufacturing grooved pins or the like | nut or bolt making machines | |