Patents for Herbert Sefton-Jones


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Patents for Herbert Sefton-Jones
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	GB-190,708,165	Sep. 05, 1907	H. Sefton-Jones, H.R. McLellan	An improved machine for slotting nuts
	GB-190,708,166	Sep. 05, 1907	H. Sefton-Jones, H.R. McLellan	An improved machine for manufacturing grooved pins or the like