US Patent: 807,216 - Variable-speed driving mechanism


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US Patent: 807,216

Variable-speed driving mechanism

Patentee:

Radford Stockbridge (exact or similar names) - Worcester, MA

USPTO Classifications:

Tool Categories:

metalworking machines : metal shapers

Assignees:

Arthur W. Beaman - Worcester, MA

Radford Stockbridge - Worcester, MA

Manufacturer:

Stockbridge Machine Co. - Worcester, MA

Witnesses:

Rufus B. Fowler

Penelope Comberbach

Patent Dates:
Applied:	Oct. 24, 1902
Granted:	Dec. 12, 1905

Patent Pictures:

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Vintage Machinery entry for Stockbridge Machine Co.

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