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US Patent: 1,052,313
Pipe-wrench
Patentee: Addison B. Carll (exact or similar names) - Boothwyn, PA USPTO Classifications: 81/100, 81/101, 81/165, 81/178 Tool Categories: wrenches Assignees: None Manufacturer: Greenfield Tap & Die Corp. - Greenfield, MA Witnesses: Merle MacFarland E. C. Duff	Patent Dates: Applied: Apr. 27, 1912 Granted: Feb. 04, 1913 Patent Pictures: [ 1 | 2 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Stan Schulz "Vintage Machinery" entry for Greenfield Tap & Die Corp.
Description: 10-inch long example reported with label, "GTD GREENFIELD, MASS, LITTLE GIANT".

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