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US Patent: 1,986,810
Valve assembly
Patentee: Harry V. Haight (exact or similar names) - Corning, NY USPTO Classifications: 137/454.4 Tool Categories: industrial machines : pneumatic : air compressors Assignees: Ingersoll-Rand Co. - Jersey City, NJ Manufacturer: Ingersoll-Rand Co. - Jersey City, NJ Witnesses: Unknown	Patent Dates: Applied: May 10, 1932 Granted: Jan. 08, 1935 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Ingersoll-Rand Co.

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