Revision history of "File:Patent-US-1251421.pdf"

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  • (cur | prev) 00:05, 23 August 2013Piccardi (talk | contribs). . (651 bytes) (+651). . ({{PatentInfo |Inventor=Felix Riesenberg |Assignee=Maud C. Riesenberg |Country=US |ApplicationNum=64055 |ApplicationDate=1915-11-29 |PatentNum=1251421 |PatentDate=1917-12-25 |PriorityDate=1915-11-29 |Titolo=Fountain-pen filler |Marca=Unbranded |Descrizi...)
Facts about "Patent-US-1251421.pdf"
Application dateNovember 29, 1915 +
Application number64055 +
Assigned toMaud C. Riesenberg +
Invented byFelix Riesenberg +
Patent dateDecember 25, 1917 +
Patent descriptionSistema di caricamento +
Patent number1251421 +
Patent titleFountain-pen filler +
Patented byUnbranded +
Patented inUS +
Priority dateNovember 29, 1915 +
Used for featureLever filler + and Split lever +