All Patents in class 102/277.1


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All Patents in class 102/277.1
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	34,040	Dec. 24, 1861	S. Sawyer	Improved fuse-hood for shells
	38,699	May 26, 1863	A.M. Sawyer	Improvement in igniting time-fuses of shells