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US Patent: 1,682,437
Circulating System
Patentee:
Carl G. Sprado (exact or similar names) - Milwaukee, WI

USPTO Classifications:
123/41.45

Tool Categories:
propulsion and energy : internal combustion engines : cooling apparatus

Assignees:
Allis-Chalmers Co. - Milwaukee, WI

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jul. 19, 1926
Granted: Aug. 28, 1928

Patent Pictures:
USPTO (New site tip)
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Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Allis-Chalmers Manufacturing Co.

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