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All Patents in class 215/228 | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 377,483 | Feb. 07, 1888 | J.B. von Furstenwarther | Medicine Cup and Stopper | |
![]() | 1,653,490 | Dec. 20, 1927 | H.M. Ballou, W.B. Ballou | Bottle closure |