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US Patent: 924,789
Packing Device for Pistons, Piston Valves and the Like
Patentees:
John Jones (exact or similar names) - Littleborough, Lancashire County, England
Jesse Rigg (exact or similar names) - Rochdale, Lancashire County, England

USPTO Classifications:
277/486, 277/487

Tool Categories:
propulsion and energy : steam engines : steam engine pistons : piston ring and packing

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Dec. 14, 1908
Granted: Jun. 15, 1909

Patent Pictures:
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