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GB Patent: GB-189,916,289
Improvements in or applicable to the valves and valve gear of steam engines
Patentee: William Lees (exact or similar names) - Hollinwood, near Oldham, England USPTO Classifications: Tool Categories: propulsion and energy : steam engines : steam engine valve gear Assignees: None Manufacturer: T. & R. Lees, Ltd. - Hollinwood, near Oldham, England Witnesses: Unknown	Patent Dates: Applied: Aug. 10, 1899 Granted: Jun. 23, 1900 Patent Pictures: Espacenet patent Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for T. & R. Lees, Ltd.

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