US Patent: 228,712 
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| Air-Engine
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	        Patentees:
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 | 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 |  
 
 
 
 
 
 
 
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        Patent Dates:
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| Applied: | 
May 01, 1879 | 
 
| Granted: | 
Jun. 08, 1880 | 
 
 
 
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		  Patent Pictures:
	      
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                        Joel Havens "Vintage Machinery" entry for Woodbury, Merrill, Patten and Woodbury Air Engine Co. The Woodbury Hot Air Engine 
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