All Patents in class 346/141


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All Patents in class 346/141
Patents 1 - 3 of 3
Number	Date	Patentee	Title	Type
RE13,743	Jun. 09, 1914	F. Hardinge	Watchman's clock
1,200,702	Oct. 10, 1916	T. Bodde	Surveying Machine	surveyor
1,690,517	Nov. 06, 1928	C.J. Brown, C.H. Wilson	Electrical controller and recorder	industrial furnaces