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US Patent: 424,000
Rotary Gas Engine
Patentee:
George E. Hibbard (exact or similar names) - Chicago, IL

USPTO Classifications:
123/153, 123/220, 123/223, 123/46R, 123/65B, 123/70R, 418/195

Tool Categories:
propulsion and energy : internal combustion engines : rotary engines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jul. 12, 1887
Granted: Mar. 25, 1890

Patent Pictures:
USPTO (New site tip)
Google Patents
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