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| Patents for Walter H. Kelley | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 1,026,887 | May 21, 1912 | J.H. Van Deventer | Rotary Engine | |
 | 1,046,687 | Dec. 10, 1912 | J.H. Van Deventer | Rotary Engine | |
 | 1,070,086 | Aug. 12, 1913 | J.H. Van Deventer | Rotary Engine | |
 | 1,070,087 | Aug. 12, 1913 | J.H. Van Deventer | Metallic Packing | |
 | 1,070,088 | Aug. 12, 1913 | J.H. Van Deventer | Counterbalanced Bearing | |
 | D46,152 | Jul. 21, 1914 | H.W. Wendt | Blower Gear Casing | |