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CA Patent: CA-12,993
Improvements in Hot Air Engines
Perfectionnements Aux Machines a Air Chaud
Patentees:
James A. Woodbury (exact or similar names) - Boston, Suffolk County, MA
Joshua Merrill (exact or similar names) - Boston, Suffolk County, MA
George Patten (exact or similar names) - Boston, Suffolk County, MA
Edward F. Woodbury (exact or similar names) - Boston, Suffolk County, MA

USPTO Classifications:

Tool Categories:
propulsion and energy : external combustion engines : hot air engines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: Jun. 15, 1881

Patent Pictures:
CIPO Data
Espacenet patent
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Woodbury, Merrill, Patten and Woodbury Air Engine Co.
The Woodbury Hot Air Engine

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