All Patents in class 254/29R


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All Patents in class 254/29R
Patents 1 - 3 of 3
Number	Date	Patentee	Title	Type
RX-57	Oct. 20, 1843	L. Disbrow	Imrpovement in apparatus for boring earth for water
1,272,749	Jul. 16, 1918	C.L. Wilson	Drill Extractor
2,670,174	Feb. 23, 1954	M.B. Lucker	Pushing or pulling jack