All Patents in class 285/61


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All Patents in class 285/61
Patents 1 - 5 of 5
Picture	Number	Date	Patentee	Title
	193,088	Jul. 17, 1877	B. Holly	Improvement in Street Mains or Pipes for Supplying Large Districts with Heat for Warming Buildings
	RE9,730	May 31, 1881	B. Holly	Street-Main
	1,517,544	Dec. 02, 1924	E.R. Draver	Means for coupling telescoped tubular members
	2,737,685	Mar. 13, 1956	L.D. Fitler	Self-sealing telescopic splice-box
	3,649,051	Mar. 14, 1972	S.E. Klabunde, G.H. Jones	Collector Ring Arrangement