All Patents of Type: machine shovels


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All Patents of Type: machine shovels
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
176,226	Apr. 18, 1876	E. Huber	Improvement in revolving scrapers	machine shovels
CA-27,361	Jul. 12, 1965	n. listed	Self-Propelled Mechanical Shovel	machine shovels