John E. Sweet |
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Page Sections
Documents |
Date | Document Name & Details | Documents |
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24 December 1895 | Relief-Piston for High-Speed Engines. United States Patent US 551,912 John E. Sweet | PDF - 456KB - 4 pages |
24 December 1895 | Piston for High-Speed Engines. United States Patent US 551,913 John E. Sweet | PDF - 586KB - 5 pages |