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US Patent: 3,039,489
Valve structure
Patentee: Lawrence A. Botkin (exact or similar names) - Dayton, OH USPTO Classifications: 137/883, 137/886, 251/367, 285/125.1, 285/191, 285/347 Tool Categories: Assignees: Buckeye Iron & Brass Works - Dayton, OH Manufacturer: Buckeye Iron & Brass Works - Dayton, OH Witnesses: Unknown	Patent Dates: Applied: Jul. 01, 1959 Granted: Jun. 19, 1962 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Buckeye Iron & Brass Works

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