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US Patent: 206,589
Safety-Valve
Patentee:
Frederick Lunkenheimer - Cincinnati, Hamilton County, OH

USPTO Classifications:
137/522, 137/542

Tool Categories:
propulsion and energy : steam apparatus : stationary boilers : safety valves

Assignees:
None

Manufacturer:
Lunkenheimer Valve Company - Cincinnati, Hamilton County, OH

Witnesses:
Unknown

Patent Dates:
Applied: May 14, 1878
Granted: Jul. 30, 1878

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Lunkenheimer Valve Company

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