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US Patent: 423,544
Pipe bender and former
Patentee: William Vanderman (exact or similar names) - Willimantic, CT USPTO Classifications: 29/422, 29/423, 72/466, 72/479 Tool Categories: trade specific : plumber Assignees: None Manufacturer: Vanderman Plumbing & Heating Co. - Willimantic, CT Witnesses: Clitus H. King John L. Hunter	Patent Dates: Applied: May 31, 1889 Granted: Mar. 18, 1890 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Vanderman Plumbing & Heating Co.

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