US Patent: 424,605 - Exhaust-valve for engines


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US Patent: 424,605

Exhaust-valve for engines

Patentee:

Noble T. Greene (exact or similar names) - Providence, RI

USPTO Classifications:

Tool Categories:

propulsion and energy : steam engines : steam engine valves

Assignees:

None

Manufacturer:

Providence Steam Engine Co. - Providence, RI

Witnesses:

Charles Hannigan

George H. Remington

Patent Dates:
Applied:	Oct. 26, 1889
Granted:	Apr. 01, 1890

Patent Pictures:

USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Providence Steam Engine Co.

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