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Expired
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Alfred Lepper
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Individual
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Individual
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Publication of GB190120839ApublicationCriticalpatent/GB190120839A/en
20,839. Lepper, A. Oct. 17. Lift valves.-A tap or cock of simple construction has an internally-screwed casing a' in which the screwed boss b on the spindle engages. The valve disc c is ground into the seating g to ensure a good fit.
GB190120839D1901-10-171901-10-17Improvements in Taps, Cooks and the like.
ExpiredGB190120839A
(en)