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US Patent: 874,893
Twyer
Tuyère
Patentee:
Henry B. Keiper - Lancaster, PA

USPTO Classifications:
110/182.6

Tool Categories:
metalworking machines : forging machinery

Assignees:
None

Manufacturer:
Champion Blower & Forge Co. - Lancaster, PA

Witnesses:
Edward R. Heitshu
L. B. Keiper

Patent Dates:
Applied: Mar. 01, 1905
Granted: Dec. 24, 1907

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Champion Blower & Forge Co.

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