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US Patent: 71,440
Improvement in floor-clamps
Patentee: Henry D. Barnes (exact or similar names) - Fair Haven, CT USPTO Classifications: 269/203, 269/210, 269/212 Tool Categories: work holding : clamps : floor clamps Assignees: None Manufacturer: H. D. Barnes - Fair Haven, CT Witnesses: John H. Shumway A. J. Tibbits	Patent Dates: Granted: Nov. 26, 1867 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Carl Matthews "Vintage Machinery" entry for H. D. Barnes

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