Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US496597A Inventor Hell Johannes Original Assignee Hell Johannes Priority date (The priority date is an assumption and is not a legal conclusion.
Tanning hides pdf#
Google Patents Tanning of skins and hidesĭownload PDF Info Publication number US1567644A US1567644A US496597A US49659721A US1567644A US 1567644 A US1567644 A US 1567644A US 496597 A US496597 A US 496597A US 49659721 A US49659721 A US 49659721A US 1567644 A US1567644 A US 1567644A Authority US United States Prior art keywords tanning hides skins leather magnesium Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US1567644A - Tanning of skins and hides
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