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Patent number:
Patent Date:
US Patent: 155,087
Hot Air Engines
Patentee:
Joseph Hirsch (
exact
or
similar
names) - Lyons, France
USPTO Classifications:
123/41.72
,
123/65VB
,
123/65WA
,
123/72
,
60/619
,
60/712
,
92/212
Tool Categories:
propulsion and energy
:
external combustion engines
:
hot air engines
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
Unknown
Patent Dates:
Applied:
May 25, 1874
Granted:
Sep. 15, 1874
Patent Pictures:
USPTO
(New site tip)
Google Patents
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