All Patents in class 15/423


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All Patents in class 15/423
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	27,287	Feb. 28, 1860	H.C. Haskell	Pen rack, cleaner, and pencil-sharpener
	73,956	Feb. 04, 1868	S. Darling	Improved Pen Cleaner
	370,379	Sep. 27, 1887	S. Darling	Pen Cleaner