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Patent number:
Patent Date:
US Patent: 441,865
Rotary Gas Engine
Patentee:
George H. Chappell (
exact
or
similar
names) - New York, NY
USPTO Classifications:
123/247
,
418/232
Tool Categories:
propulsion and energy
:
internal combustion engines
:
rotary engines
Assignees:
George H. Chappell
- New York, NY
Julius M. Heyman
- New York, NY
Manufacturer:
Not known to have been produced
Witnesses:
Unknown
Patent Dates:
Applied:
Aug. 18, 1890
Granted:
Dec. 02, 1890
Patent Pictures:
USPTO
(New site tip)
Google Patents
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