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All Patents in class 166/203
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
2,088,971	Aug. 03, 1937	G.H. Williams, E.W. Ostrom	Pump Anchor Structure	oil well pumps
2,298,567	Oct. 13, 1942	G.H. Williams, E.W. Ostrom, J. Kelly	Pump Anchor	oil well pumps

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