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US Patent: 6,146
Piston Packing
Metallic Packing for Pistons
Patentee:
William Wright - Providence, RI

USPTO Classifications:
277/446, 277/490

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: Feb. 27, 1849

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Wright Steam Engine Works
"Vintage Machinery" entry for Corliss Steam Engine Works

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