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US Patent: 9,103
Steam Puppet Valve
Mode of Grinding Puppet-Valves While the Engine is in Motion
Patentee:
Enos Rogers - New York, NY

USPTO Classifications:
123/55.4, 137/331, 137/473

Tool Categories:
propulsion and energy : steam engines : steam engine valves

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: Jul. 06, 1852

Patent Pictures:
USPTO pdf tiff
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