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US Patent: 909,427
Variable-volume air-compressor
Patentee: Max Kurth (exact or similar names) - Franklin, PA USPTO Classifications: 417/277 Tool Categories: industrial machines : pneumatic : air compressors Assignees: Ingersoll-Rand Co. - New York, NY Manufacturer: Ingersoll-Rand Co. - New York, NY Witnesses: E. R. Inman Gilson Shaffer	Patent Dates: Applied: Dec. 11, 1907 Granted: Jan. 12, 1909 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Ingersoll-Rand Co.
Description: This patent date was seen on an Ingersoll-Rand compressor.

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