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US Patent: 2,218,930
Automatic draft control
Patentee: Noel Cunningham (exact or similar names) - East Dundee, IL USPTO Classifications: 137/494, 137/506, 236/45 Tool Categories: Assignees: Illinois Iron & Bolt Co. - Carpentersville, IL Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Mar. 11, 1940 Granted: Oct. 22, 1940 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Illinois Iron & Bolt Co.
Description: Draft control for a solid-fuel burner.

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