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Patents for Walter H. Kelley
Patents 1 - 6 of 6
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PictureNumberDatePatenteeTitle
1,026,887May 21, 1912J.H. Van DeventerRotary Engine
1,046,687Dec. 10, 1912J.H. Van DeventerRotary Engine
1,070,086Aug. 12, 1913J.H. Van DeventerRotary Engine
1,070,087Aug. 12, 1913J.H. Van DeventerMetallic Packing
1,070,088Aug. 12, 1913J.H. Van DeventerCounterbalanced Bearing
D46,152Jul. 21, 1914H.W. WendtBlower Gear Casing
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