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US Patent: 89,483
Improvement in bench-hooks
Patentee: John Humphreys (exact or similar names) - Chicopee Falls, MA USPTO Classifications: 144/306 Tool Categories: work holding : workbench devices Assignees: None Manufacturer: John Humphrey - Keene, NH Witnesses: Unknown	Patent Dates: Granted: Apr. 27, 1869 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for John Humphrey, Humphrey Machine Co.

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