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US Patent: 509,086
Planing Machine for Blower Pistons
Patentee:
Edgar D. Johnston (exact or similar names) - Connersville, Fayette County, IN

USPTO Classifications:
409/289, 409/314, 409/340

Tool Categories:
metalworking machines : metal planers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Mar. 13, 1893
Granted: Nov. 21, 1893

Patent Pictures:
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