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Home › Inventors › Lucien Vachey
LV

Lucien Vachey

Overall (All Time): #2,320,140 of 4,157,543Top 60%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5067987 Method of manufacturing a silver alloy which is blackened throughout its bulk — 1991-11-26
4467856 Process for obtaining a silver product which is black-colored in its whole mass and silver products thus obtained — 1984-08-28

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