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US Patent: 1,830,321
Internal Combustion Engine
Patentee:
Alfred W. Hubbell (exact or similar names) - Bartlesville, Washington County, OK

USPTO Classifications:
123/69R, 123/74C

Tool Categories:
propulsion and energy : internal combustion engines : cylinder heads

Assignees:
Clark Brothers Co. - Olean, Cattaraugus County, NY

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Jun. 16, 1927
Granted: Nov. 03, 1931

Patent Pictures:
USPTO (New site tip)
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Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Clark Bros.

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